| 
            
              US3041109A
              (en)
            
            
            
           | 
          1958-09-29 | 
          1962-06-26 | 
          Miller Herman Inc | 
          Web and spreader furniture construction 
        | 
        
        
          | 
            
              US3606464A
              (en)
            
            
            
           | 
          1969-03-24 | 
          1971-09-20 | 
          Theodore K Arbuthnot | 
          Chair 
      | 
        
        
          | 
            
              SE440443B
              (en)
            
            
            
           | 
          1982-03-30 | 
          1985-08-05 | 
          Jan Dranger | 
          Furniture design 
        | 
        
        
          | 
            
              US4555139A
              (en)
            
            
            
           | 
          1982-04-15 | 
          1985-11-26 | 
          Leib Roger K | 
          Patient's defined-motion chair 
        | 
        
        
          | 
            
              US4545614A
              (en)
            
            
            
           | 
          1984-02-09 | 
          1985-10-08 | 
          General Motors Corporation | 
          Thin elastomeric seat 
        | 
        
        
          | 
            
              US4826249A
              (en)
            
            
            
           | 
          1988-02-22 | 
          1989-05-02 | 
          General Motors Corporation | 
          Thin inflatable elastomeric seat 
        | 
        
        
          | 
            
              US4869554A
              (en)
            
            
            
           | 
          1988-05-17 | 
          1989-09-26 | 
          General Motors Corporation | 
          Elastomeric woven mat seat suspension 
        | 
        
        
          | 
            
              DE4135948C2
              (en)
            
            
            
           | 
          1991-10-31 | 
          1993-12-23 | 
          Rolf Voelkle | 
          
  Chair, in particular office swivel chair
 
      | 
        
        
          | 
            
              US5457968A
              (en)
            
            
            
           | 
          1993-10-06 | 
          1995-10-17 | 
          Shakespeare | 
          Seating support 
        | 
        
        
          | 
            
              US5855991A
              (en)
            
            
            
           | 
          1996-11-05 | 
          1999-01-05 | 
          Milliken Research Corporation | 
          Composite textile structure 
        | 
        
        
          | 
            
              US5795026A
              (en)
            
            
            
           | 
          1997-06-06 | 
          1998-08-18 | 
          Haworth, Inc. | 
          Height adjustable chair arm 
        | 
        
        
          | 
            
              US5909923A
              (en)
            
            
            
           | 
          1997-10-24 | 
          1999-06-08 | 
          Steelcase Inc. | 
          Chair with novel pivot mounts and method of assembly 
        | 
        
        
          | 
            
              DE19754817A1
              (en)
            
            
            
           | 
          1997-12-10 | 
          1999-06-17 | 
          Stoll Sedus Ag | 
          
  backrest
 
        | 
        
        
          | 
            
              US6632756B1
              (en)
            
            
            
           | 
          1999-02-17 | 
          2003-10-14 | 
          Milliken & Company | 
          Automotive fabric composite 
        | 
        
        
          | 
            
              US6345428B2
              (en)
            
            
            
           | 
          1999-08-13 | 
          2002-02-12 | 
          Homecrest Industries Incorporated | 
          Chair construction and method of making same 
        | 
        
        
          | 
            
              US6478381B1
              (en)
            
            
            
           | 
          1999-10-29 | 
          2002-11-12 | 
          Lear Corporation | 
          Elastomeric seat back and slide-over head rest assembly for a vehicle seat 
        | 
        
        
          | 
            
              AU783829B2
              (en)
            
            
            
           | 
          2000-09-28 | 
          2005-12-08 | 
          Formway Furniture Limited | 
          A reclinable chair 
        | 
        
        
          | 
            
              US7014269B2
              (en)
            
            
            
           | 
          2001-06-15 | 
          2006-03-21 | 
          Hon Technology Inc. | 
          Chair back construction 
        | 
        
        
          | 
            
              US6983997B2
              (en)
            
            
            
           | 
          2001-06-29 | 
          2006-01-10 | 
          Haworth, Inc. | 
          Chair having a suspension seat assembly 
        | 
        
        
          | 
            
              DE10215285A1
              (en)
            
            
            
           | 
          2002-04-07 | 
          2003-10-16 | 
          Christian Erker | 
          
  Seat shell with tilt-contour coupling mechanism
 
      | 
        
        
          | 
            
              USD517820S1
              (en)
            
            
            
           | 
          2002-06-28 | 
          2006-03-28 | 
          Vitra Patente Ag | 
          Chair 
        | 
        
        
          | 
            
              USD487359S1
              (en)
            
            
            
           | 
          2002-09-09 | 
          2004-03-09 | 
          Okamura Corporation | 
          Chair 
        | 
        
        
          | 
            
              CA103785S
              (en)
            
            
            
           | 
          2003-01-31 | 
          2004-09-16 | 
          Yamaha Corp | 
          Seat for stool 
      | 
        
        
          | 
            
              US7055911B2
              (en)
            
            
            
           | 
          2003-05-08 | 
          2006-06-06 | 
          Haworth, Inc. | 
          Mesh chair 
        | 
        
        
          | 
            
              US6951370B1
              (en)
            
            *
            
           | 
          2003-12-19 | 
          2005-10-04 | 
          Hsiu-Hsia Hsu | 
          Exotic chair 
        | 
        
        
          | 
            
              ES1057119Y
              (en)
            
            
            
           | 
          2004-03-24 | 
          2004-10-01 | 
          Metalseat Srl | 
          
  ADJUSTABLE OFFICE ARMCHAIR STRUCTURE WITH ARTICULATION FOR THE SYNCHRONIC MOVEMENT OF THE SEAT AND BACK.
 
      | 
        
        
          | 
            
              TWD114709S1
              (en)
            
            
            
           | 
          2004-07-19 | 
          2007-01-01 | 
          史托爾吉羅福雷克斯公司 | 
          Chair 
        | 
        
        
          | 
            
              TWD110926S1
              (en)
            
            
            
           | 
          2004-09-27 | 
          2006-05-21 | 
          岡村製作所股份有限公司 | 
          Chair 
        | 
        
        
          | 
            
              TWD110925S1
              (en)
            
            
            
           | 
          2004-09-27 | 
          2006-05-21 | 
          岡村製作所股份有限公司 | 
          Chair 
        | 
        
        
          | 
            
              JP4652767B2
              (en)
            
            
            
           | 
          2004-10-13 | 
          2011-03-16 | 
          株式会社岡村製作所 | 
          
        Tensioning structure for upholstery for chair backrest, etc.
       
      | 
        
        
          | 
            
              WO2006094260A2
              (en)
            
            
            
           | 
          2005-03-01 | 
          2006-09-08 | 
          Haworth, Inc. | 
          Arm assembly for a chair 
        | 
        
        
          | 
            
              DE502005010192D1
              (en)
            
            
            
           | 
          2005-10-03 | 
          2010-10-14 | 
          Vitra Patente Ag | 
          
        CHAIR
       
      | 
        
        
          | 
            
              JP5002835B2
              (en)
            
            
            
           | 
          2005-10-27 | 
          2012-08-15 | 
          コクヨ株式会社 | 
          
  Member connection structure
 
      | 
        
        
          | 
            
              JP4719905B2
              (en)
            
            *
            
           | 
          2005-10-27 | 
          2011-07-06 | 
          コクヨ株式会社 | 
          
        Chair
       
      | 
        
        
          | 
            
              USD555377S1
              (en)
            
            *
            
           | 
          2006-02-24 | 
          2007-11-20 | 
          Steelcase Development Corporation | 
          Seating unit 
        | 
        
        
          | 
            
              CA118961S
              (en)
            
            
            
           | 
          2006-07-11 | 
          2008-01-31 | 
          Itoki Corp | 
          Chair 
      | 
        
        
          | 
            
              CA2665176C
              (en)
            
            
            
           | 
          2006-10-04 | 
          2016-01-19 | 
          Formway Furniture Limited | 
          A back portion for a chair with a moveable upper section 
        | 
        
        
          | 
            
              WO2009048448A1
              (en)
            
            
            
           | 
          2006-10-10 | 
          2009-04-16 | 
          Hector Serber | 
          Dynamically balanced seat assembly 
        | 
        
        
          | 
            
              US7425039B2
              (en)
            
            
            
           | 
          2006-12-29 | 
          2008-09-16 | 
          Peter Lin | 
          Body-supporting device 
        | 
        
        
          | 
            
              CN101801241B
              (en)
            
            
            
           | 
          2007-03-13 | 
          2013-06-05 | 
          Hni技术公司 | 
          Dynamic chair back lumbar support system 
        | 
        
        
          | 
            
              USD576809S1
              (en)
            
            
            
           | 
          2007-06-08 | 
          2008-09-16 | 
          Cramer Inc. | 
          Chair assembly 
        | 
        
        
          | 
            
              US8275615B2
              (en)
            
            
            
           | 
          2007-07-13 | 
          2012-09-25 | 
          International Business Machines Corporation | 
          Model weighting, selection and hypotheses combination for automatic speech recognition and machine translation 
        | 
        
        
          | 
            
              EP2110051A1
              (en)
            
            
            
           | 
          2008-04-18 | 
          2009-10-21 | 
          Pro-Cord S.P.A. | 
          Chair 
        | 
        
        
          | 
            
              TWM355061U
              (en)
            
            
            
           | 
          2008-06-12 | 
          2009-04-21 | 
          Huang-Chang Liu | 
          Structure of backrest cushion 
      | 
        
        
          | 
            
              NZ613957A
              (en)
            
            
            
           | 
          2008-12-12 | 
          2015-03-27 | 
          Formway Furniture Ltd | 
          A chair, a support, and components 
      | 
        
        
          | 
            
              KR100940190B1
              (en)
            
            
            
           | 
          2008-12-19 | 
          2010-02-10 | 
          주식회사 체어로 | 
          A chair 
        | 
        
        
          | 
            
              KR101028369B1
              (en)
            
            
            
           | 
          2009-08-06 | 
          2011-04-11 | 
          최경자 | 
          
        Spine Backrest Adjustable Chair
       
        | 
        
        
          | 
            
              JP5524564B2
              (en)
            
            
            
           | 
          2009-10-19 | 
          2014-06-18 | 
          株式会社岡村製作所 | 
          
        Chair back
       
      | 
        
        
          | 
            
              TWD141285S1
              (en)
            
            
            
           | 
          2010-03-31 | 
          2011-07-01 | 
          史托爾吉羅福雷克斯公司 | 
          Chair 
        | 
        
        
          | 
            
              USD641983S1
              (en)
            
            
            
           | 
          2010-07-16 | 
          2011-07-26 | 
          Whalen Furniture Manufacturing, Inc. | 
          Office chair 
        | 
        
        
          | 
            
              USD658904S1
              (en)
            
            
            
           | 
          2010-08-23 | 
          2012-05-08 | 
          Xcellent Products International Ltd. | 
          Chair 
        | 
        
        
          | 
            
              JP5650492B2
              (en)
            
            
            
           | 
          2010-10-21 | 
          2015-01-07 | 
          株式会社岡村製作所 | 
          
  Armrest mounting structure of armrest
 
      | 
        
        
          | 
            
              USD646088S1
              (en)
            
            
            
           | 
          2010-12-27 | 
          2011-10-04 | 
          moll Funktionsmöbel GmbH | 
          Chairs 
        | 
        
        
          | 
            
              USD675456S1
              (en)
            
            
            
           | 
          2011-09-14 | 
          2013-02-05 | 
          Z-Line Designs, Inc. | 
          Task chair 
        | 
        
        
          | 
            
              JP2013132403A
              (en)
            
            
            
           | 
          2011-12-27 | 
          2013-07-08 | 
          Kokuyo Co Ltd | 
          Chair 
        | 
        
        
          | 
            
              US8740303B2
              (en)
            
            
            
           | 
          2012-06-22 | 
          2014-06-03 | 
          Michael V. Halliday | 
          Customizable chair with multipoint adjustment 
        | 
        
        
          | 
            
              USD781605S1
              (en)
            
            
            
           | 
          2015-04-24 | 
          2017-03-21 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              US8998339B2
              (en)
            
            *
            
           | 
          2012-09-20 | 
          2015-04-07 | 
          Steelcase Inc. | 
          Chair assembly with upholstery covering 
        | 
        
        
          | 
            
              USD694538S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2013-12-03 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD683150S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2013-05-28 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD698166S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-01-28 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD697730S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-01-21 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD701053S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-03-18 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              US8973990B2
              (en)
            
            
            
           | 
          2012-09-20 | 
          2015-03-10 | 
          Steelcase Inc. | 
          Chair assembly 
        | 
        
        
          | 
            
              USD694540S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2013-12-03 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD697728S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-01-21 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              US9458905B2
              (en)
            
            
            
           | 
          2012-09-20 | 
          2016-10-04 | 
          Steelcase Inc. | 
          Spring assembly and method 
        | 
        
        
          | 
            
              USD694539S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2013-12-03 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD699958S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-02-25 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD699959S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-02-25 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD699957S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-02-25 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD683151S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2013-05-28 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD697729S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-01-21 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD694537S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2013-12-03 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD697726S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-01-21 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD698164S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-01-28 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD707976S1
              (en)
            
            
            
           | 
          2013-06-07 | 
          2014-07-01 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD698165S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2014-01-28 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD694536S1
              (en)
            
            
            
           | 
          2012-09-20 | 
          2013-12-03 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD695034S1
              (en)
            
            
            
           | 
          2012-11-13 | 
          2013-12-10 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD695538S1
              (en)
            
            *
            
           | 
          2013-04-16 | 
          2013-12-17 | 
          Kusch + Co. Gmbh & Co. Kg | 
          Seating furniture 
        | 
        
        
          | 
            
              USD708882S1
              (en)
            
            
            
           | 
          2013-08-07 | 
          2014-07-15 | 
          Zhongshan Shi Songlin Furniture Co., Ltd | 
          Chair back frame 
        | 
        
        
          | 
            
              USD733445S1
              (en)
            
            
            
           | 
          2013-09-26 | 
          2015-07-07 | 
          Okamura Corporation | 
          Chair 
        | 
        
        
          | 
            
              US10173567B2
              (en)
            
            
            
           | 
          2014-06-16 | 
          2019-01-08 | 
          Zodiac Seats Us Llc | 
          Lightweight headrests with suspension mesh and supporting frame 
        | 
        
        
          | 
            
              US9883746B2
              (en)
            
            
            
           | 
          2014-11-11 | 
          2018-02-06 | 
          Pro-Cord S.P.A. | 
          Chair with seat and backrest movable in a synchronized way 
        | 
        
        
          | 
            
              US9560917B2
              (en)
            
            
            
           | 
          2014-11-26 | 
          2017-02-07 | 
          Steelcase Inc. | 
          Recline adjustment system for chair 
        | 
        
        
          | 
            
              USD804209S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2017-12-05 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD804839S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2017-12-12 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD802951S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2017-11-21 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD804875S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2017-12-12 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD804876S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2017-12-12 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD802952S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2017-11-21 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD804841S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2017-12-12 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD821793S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2018-07-03 | 
          Steelcase Inc. | 
          Seating shell 
        | 
        
        
          | 
            
              USD808187S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2018-01-23 | 
          Steelcase Inc. | 
          Seating shell 
        | 
        
        
          | 
            
              USD804840S1
              (en)
            
            
            
           | 
          2016-04-12 | 
          2017-12-12 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD781604S1
              (en)
            
            
            
           | 
          2015-04-24 | 
          2017-03-21 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              AU2016287487B2
              (en)
            
            
            
           | 
          2015-06-29 | 
          2020-11-26 | 
          MillerKnoll, Inc | 
          Attachment structure for suspension seating 
        | 
        
        
          | 
            
              USD789104S1
              (en)
            
            *
            
           | 
          2015-07-24 | 
          2017-06-13 | 
          Roger Webb | 
          Furniture 
        | 
        
        
          | 
            
              US9648957B2
              (en)
            
            
            
           | 
          2015-08-05 | 
          2017-05-16 | 
          Dongguan Kentec Office Seating Co., Ltd. | 
          Chair with back tilt adjustment structure 
        | 
        
        
          | 
            
              JP1586004S
              (en)
            
            *
            
           | 
          2016-05-13 | 
          2017-09-11 | 
           | 
           | 
        
        
          | 
            
              AU201712273S
              (en)
            
            
            
           | 
          2016-10-21 | 
          2017-05-03 | 
          Dauphin Entw U Beteiligungs Gmbh | 
          Chair 
      | 
        
        
          | 
            
              USD852526S1
              (en)
            
            *
            
           | 
          2017-05-25 | 
          2019-07-02 | 
          Steelcase Inc. | 
          Seating arrangement 
        | 
        
        
          | 
            
              USD852525S1
              (en)
            
            
            
           | 
          2017-05-25 | 
          2019-07-02 | 
          Steelcase Inc. | 
          Seating arrangement 
        | 
        
        
          | 
            
              USD834844S1
              (en)
            
            
            
           | 
          2017-05-25 | 
          2018-12-04 | 
          Itoki Corporation | 
          Chair 
        | 
        
        
          | 
            
              USD881621S1
              (en)
            
            
            
           | 
          2017-06-21 | 
          2020-04-21 | 
          Ue Furniture Co., Ltd. | 
          Chair 
        | 
        
        
          | 
            
              USD863802S1
              (en)
            
            *
            
           | 
          2017-08-31 | 
          2019-10-22 | 
          Zhengxing Wang | 
          Office chair 
        | 
        
        
          | 
            
              USD874860S1
              (en)
            
            
            
           | 
          2017-10-20 | 
          2020-02-11 | 
          Herman Miller, Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD880885S1
              (en)
            
            *
            
           | 
          2017-10-31 | 
          2020-04-14 | 
          Homy Casa Limited | 
          Swivel chair 
        | 
        
        
          | 
            
              USD879523S1
              (en)
            
            
            
           | 
          2017-11-22 | 
          2020-03-31 | 
          Office Depot, Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD870479S1
              (en)
            
            
            
           | 
          2017-12-05 | 
          2019-12-24 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD869872S1
              (en)
            
            *
            
           | 
          2017-12-05 | 
          2019-12-17 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD873043S1
              (en)
            
            
            
           | 
          2017-12-18 | 
          2020-01-21 | 
          Dongguan Kentec Office Seating Co., Ltd. | 
          Office chair 
        | 
        
        
          | 
            
              USD883691S1
              (en)
            
            
            
           | 
          2018-04-20 | 
          2020-05-12 | 
          Haworth, Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD883690S1
              (en)
            
            
            
           | 
          2018-04-20 | 
          2020-05-12 | 
          Haworth, Inc. | 
          Chair 
        | 
        
        
          | 
            
              US10820703B2
              (en)
            
            
            
           | 
          2018-09-17 | 
          2020-11-03 | 
          Sedus Stoll Ag | 
          Chair, particularly conference or office chair, and method for manufacturing a chair 
        | 
        
        
          | 
            
              USD902614S1
              (en)
            
            *
            
           | 
          2018-09-28 | 
          2020-11-24 | 
          Zhejiang Yueqiang Furniture Technology Co. Ltd | 
          Chair 
        | 
        
        
          | 
            
              USD921377S1
              (en)
            
            
            
           | 
          2018-10-01 | 
          2021-06-08 | 
          Vitra Patente Ag | 
          Multifunctional office partition 
        | 
        
        
          | 
            
              CA184214S
              (en)
            
            *
            
           | 
          2018-10-17 | 
          2019-10-28 | 
          Nightingale Corp | 
          Chair 
      | 
        
        
          | 
            
              JP7138010B2
              (en)
            
            *
            
           | 
          2018-10-19 | 
          2022-09-15 | 
          株式会社オカムラ | 
          
        armrests, backrests and chairs
       
        | 
        
        
          | 
            
              USD878789S1
              (en)
            
            *
            
           | 
          2018-11-25 | 
          2020-03-24 | 
          Zhejiang Henglin Chair Industry Co., Ltd. | 
          Chair 
        | 
        
        
          | 
            
              US10617226B1
              (en)
            
            
            
           | 
          2019-01-07 | 
          2020-04-14 | 
          Wen Hsien Liao | 
          Backrest and seat of a chair 
        | 
        
        
          | 
            
              USD899836S1
              (en)
            
            
            
           | 
          2019-03-04 | 
          2020-10-27 | 
          Zooey Chia-Tien Chu | 
          Backrest and seat for a chair 
        | 
        
        
          | 
            
              USD887157S1
              (en)
            
            
            
           | 
          2019-03-26 | 
          2020-06-16 | 
          Okamura Corporation | 
          Chair 
        | 
        
        
          | 
            
              DE102019107745A1
              (en)
            
            
            
           | 
          2019-03-26 | 
          2020-10-01 | 
          Bock 1 Gmbh & Co. Kg | 
          
  Rocking mechanism for a chair, especially an office chair
 
      | 
        
        
          | 
            
              USD907935S1
              (en)
            
            
            
           | 
          2019-05-31 | 
          2021-01-19 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD912419S1
              (en)
            
            
            
           | 
          2019-08-26 | 
          2021-03-09 | 
          Zhejiang Zhongwei Smart Furniture Co., Ltd. | 
          Chair 
        | 
        
        
          | 
            
              USD906711S1
              (en)
            
            *
            
           | 
          2019-12-05 | 
          2021-01-05 | 
          39F Usa Inc | 
          Chair 
        | 
        
        
          | 
            
              USD937024S1
              (en)
            
            *
            
           | 
          2020-02-19 | 
          2021-11-30 | 
          Steelcase Inc. | 
          Backrest 
        | 
        
        
          | 
            
              USD936984S1
              (en)
            
            *
            
           | 
          2020-02-19 | 
          2021-11-30 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD936985S1
              (en)
            
            *
            
           | 
          2020-02-19 | 
          2021-11-30 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD937595S1
              (en)
            
            *
            
           | 
          2020-02-19 | 
          2021-12-07 | 
          Steelcase Inc. | 
          Chair 
        | 
        
        
          | 
            
              USD931640S1
              (en)
            
            *
            
           | 
          2020-07-20 | 
          2021-09-28 | 
          Zhejiang Sharing Space Technology Co., Ltd. | 
          Swivel chair 
        |