| 
            
              US3811752A
              (en)
            
            *
            
           | 
          1972-06-28 | 
          1974-05-21 | 
          Ford Motor Co | 
          Light reflex-refracting coating system for coloring metals 
        | 
        
        
          | 
            
              CH555579A
              (de)
            
            *
            
           | 
          1972-10-24 | 
          1974-10-31 | 
          Siemens Ag | 
          Fluessigkristall-anzeigeschirm. 
        | 
        
        
          | 
            
              US3836227A
              (en)
            
            *
            
           | 
          1973-04-13 | 
          1974-09-17 | 
          Minnesota Mining & Mfg | 
          Heat-bondable retroreflective sheeting 
        | 
        
        
          | 
            
              USRE30892E
              (en)
            
            *
            
           | 
          1975-01-10 | 
          1982-03-30 | 
          Minnesota Mining And Manufacturing Company | 
          Area-retroreflectorization of fabrics 
        | 
        
        
          | 
            
              SE7513915L
              (sv)
            
            *
            
           | 
          1975-01-10 | 
          1976-07-12 | 
          Minnesota Mining & Mfg | 
          Overdragsmaterial for att gora underlag returreflekterande 
        | 
        
        
          | 
            
              US4099838A
              (en)
            
            *
            
           | 
          1976-06-07 | 
          1978-07-11 | 
          Minnesota Mining And Manufacturing Company | 
          Reflective sheet material 
        | 
        
        
          | 
            
              US4055377A
              (en)
            
            *
            
           | 
          1976-08-03 | 
          1977-10-25 | 
          Minnesota Mining And Manufacturing Company | 
          Magnetically orientable retroreflectorization particles 
        | 
        
        
          | 
            
              US4293189A
              (en)
            
            *
            
           | 
          1978-03-31 | 
          1981-10-06 | 
          Solid Corporation | 
          Light reflecting device 
        | 
        
        
          | 
            
              US4268983A
              (en)
            
            *
            
           | 
          1978-12-26 | 
          1981-05-26 | 
          Minnesota Mining And Manufacturing Company | 
          Security label 
        | 
        
        
          | 
            
              US4569857A
              (en)
            
            *
            
           | 
          1979-10-01 | 
          1986-02-11 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective sheeting 
        | 
        
        
          | 
            
              US4367920A
              (en)
            
            *
            
           | 
          1979-10-01 | 
          1983-01-11 | 
          Minnesota Mining And Manufacturing Company | 
          Retroflective sheeting 
        | 
        
        
          | 
            
              US4263345A
              (en)
            
            *
            
           | 
          1979-11-16 | 
          1981-04-21 | 
          Minnesota Mining And Manufacturing Company | 
          Coating composition for forming retroreflective treatments on fabrics 
        | 
        
        
          | 
            
              US4329393A
              (en)
            
            *
            
           | 
          1980-05-21 | 
          1982-05-11 | 
          Minnesota Mining And Manufacturing Company | 
          Coating compositions for retrospective identification of articles 
        | 
        
        
          | 
            
              US4725494A
              (en)
            
            *
            
           | 
          1982-09-02 | 
          1988-02-16 | 
          Minnesota Mining And Manufacturing Co. | 
          Retroreflective sheeting 
        | 
        
        
          | 
            
              US4682852A
              (en)
            
            *
            
           | 
          1984-07-23 | 
          1987-07-28 | 
          Victor Weber | 
          Reflective sheeting technology 
        | 
        
        
          | 
            
              US4533592A
              (en)
            
            *
            
           | 
          1984-08-02 | 
          1985-08-06 | 
          Minnesota Mining And Manufacturing Company | 
          Thermally stable flame retardant reflective and retroreflective trim 
        | 
        
        
          | 
            
              US4650283A
              (en)
            
            *
            
           | 
          1984-08-03 | 
          1987-03-17 | 
          Minnesota Mining And Manufacturing Company | 
          Directionally imaged retroreflective sheeting 
        | 
        
        
          | 
            
              US4564556A
              (en)
            
            *
            
           | 
          1984-09-24 | 
          1986-01-14 | 
          Minnesota Mining And Manufacturing Company | 
          Transparent non-vitreous ceramic particulate 
        | 
        
        
          | 
            
              US4637950A
              (en)
            
            *
            
           | 
          1985-05-01 | 
          1987-01-20 | 
          Minnesota Mining And Manufacturing Company | 
          Delamination-resistant cellular retroreflective sheeting 
        | 
        
        
          | 
            
              US4721649A
              (en)
            
            *
            
           | 
          1985-05-08 | 
          1988-01-26 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective sheeting 
        | 
        
        
          | 
            
              US4772511A
              (en)
            
            *
            
           | 
          1985-11-22 | 
          1988-09-20 | 
          Minnesota Mining And Manufacturing Company | 
          Transparent non-vitreous zirconia microspheres 
        | 
        
        
          | 
            
              US4703999A
              (en)
            
            *
            
           | 
          1986-06-16 | 
          1987-11-03 | 
          Minnesota Mining And Manufacturing Company | 
          Wide-angle-reflective cube-corner retroreflective sheeting 
        | 
        
        
          | 
            
              US4763985A
              (en)
            
            *
            
           | 
          1986-08-01 | 
          1988-08-16 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective sheet with enhanced brightness 
        | 
        
        
          | 
            
              AU605606B2
              (en)
            
            *
            
           | 
          1987-08-25 | 
          1991-01-17 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective coating and composition for forming same 
        | 
        
        
          | 
            
              US4943139A
              (en)
            
            *
            
           | 
          1988-09-19 | 
          1990-07-24 | 
          Minnesota Mining And Manufacturing Company | 
          Spoked wheel reflector employing encapsulated retroreflective tubing 
        | 
        
        
          | 
            
              US5055347A
              (en)
            
            *
            
           | 
          1988-12-09 | 
          1991-10-08 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective sheeting adapted to be bonded to vulcanizable or curable substrate 
        | 
        
        
          | 
            
              US4955690A
              (en)
            
            *
            
           | 
          1989-03-24 | 
          1990-09-11 | 
          Minnesota Mining And Manufacturing Company | 
          Thin caliper retroreflective transfer 
        | 
        
        
          | 
            
              US5069964A
              (en)
            
            *
            
           | 
          1989-05-23 | 
          1991-12-03 | 
          Minnesota Mining And Manufacturing Company | 
          Flexible, substrate-insular retroreflective sheeting 
        | 
        
        
          | 
            
              US4957335A
              (en)
            
            *
            
           | 
          1989-05-26 | 
          1990-09-18 | 
          Minnesota Mining And Manufacturing Company | 
          Microsphere-based retroreflective articles with enhanced retroreflective brightness 
        | 
        
        
          | 
            
              US5035920A
              (en)
            
            *
            
           | 
          1989-07-21 | 
          1991-07-30 | 
          Fox Valley Systems, Inc. | 
          Two-step method for increasing the light-reflectivity of an object 
        | 
        
        
          | 
            
              DK257390A
              (da)
            
            *
            
           | 
          1990-10-25 | 
          1992-04-26 | 
          Reflex Promotion | 
          Transfer til dekorering af overflader med billeder, der er ekstremt holdbare, og specielt billeder omfattende lysreflekterende og farvede omraader i vilkaarlig kombination, samt fremgangsmaade til fremstilling deraf 
        | 
        
        
          | 
            
              GB9006170D0
              (en)
            
            
            
           | 
          1990-03-19 | 
          1990-05-16 | 
          Ferroglen Research Ltd | 
          Apparatus and method for controlling a recording machine 
      | 
        
        
          | 
            
              US5229882A
              (en)
            
            *
            
           | 
          1990-05-16 | 
          1993-07-20 | 
          Reflexite Corporation | 
          Colored retroreflective sheeting and method of making same 
        | 
        
        
          | 
            
              US5264063A
              (en)
            
            *
            
           | 
          1990-05-16 | 
          1993-11-23 | 
          Reflexite Corporation | 
          Method for making flexible retroreflective sheet material 
        | 
        
        
          | 
            
              US5286332A
              (en)
            
            *
            
           | 
          1990-09-10 | 
          1994-02-15 | 
          Minnesota Mining And Manufacturing Company | 
          Apparatus for applying an L clip tape to a cartridge 
        | 
        
        
          | 
            
              US5110655A
              (en)
            
            *
            
           | 
          1990-10-17 | 
          1992-05-05 | 
          Minnesota Mining And Manufacturing Company | 
          Removable, high temperature resistant retroreflective marking material 
        | 
        
        
          | 
            
              KR100228593B1
              (ko)
            
            *
            
           | 
          1990-10-25 | 
          1999-11-01 | 
          스프레이그 로버트 월터 | 
          역반사성의 착색상을 형성하기 위한 전사제품 및 이를 제조하는 방법 
        | 
        
        
          | 
            
              US5254390B1
              (en)
            
            *
            
           | 
          1990-11-15 | 
          1999-05-18 | 
          Minnesota Mining & Mfg | 
          Plano-convex base sheet for retroreflective articles 
      | 
        
        
          | 
            
              US5207852A
              (en)
            
            *
            
           | 
          1991-02-06 | 
          1993-05-04 | 
          Minnesota Mining And Manufacturing Company | 
          Method for making permeable retroreflective sheeting 
        | 
        
        
          | 
            
              US5128804A
              (en)
            
            *
            
           | 
          1991-02-06 | 
          1992-07-07 | 
          Minnesota Mining And Manufacturing Company | 
          Permeable retroreflective sheeting 
        | 
        
        
          | 
            
              CA2061708C
              (en)
            
            *
            
           | 
          1991-05-08 | 
          2002-04-23 | 
          Wu-Shyong Li | 
          Launderable retroreflective applique with colorant 
      | 
        
        
          | 
            
              WO1992019993A1
              (en)
            
            *
            
           | 
          1991-05-08 | 
          1992-11-12 | 
          Minnesota Mining And Manufacturing Company | 
          Launderable retroreflective applique 
        | 
        
        
          | 
            
              US5238733A
              (en)
            
            *
            
           | 
          1991-09-30 | 
          1993-08-24 | 
          Minnesota Mining And Manufacturing Company | 
          Stretchable nonwoven webs based on multi-layer blown microfibers 
        | 
        
        
          | 
            
              US6048611A
              (en)
            
            *
            
           | 
          1992-02-03 | 
          2000-04-11 | 
          3M Innovative Properties Company | 
          High solids moisture resistant latex pressure-sensitive adhesive 
        | 
        
        
          | 
            
              US5200262A
              (en)
            
            *
            
           | 
          1992-04-01 | 
          1993-04-06 | 
          Minnesota Mining And Manufacturing Company | 
          Launderable retroreflective applique with improved retention of retroreflective elements 
        | 
        
        
          | 
            
              CA2094899C
              (en)
            
            *
            
           | 
          1992-05-18 | 
          2000-04-11 | 
          Britton G. Billingsley | 
          Non-woven fluorescent retroreflective fabric 
      | 
        
        
          | 
            
              GB9220019D0
              (en)
            
            *
            
           | 
          1992-09-22 | 
          1992-11-04 | 
          Ellis Michael | 
          An improved process for the production of reflective coatings and materials 
      | 
        
        
          | 
            
              US5344705A
              (en)
            
            *
            
           | 
          1993-05-05 | 
          1994-09-06 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective transfer sheet material 
        | 
        
        
          | 
            
              US5503906A
              (en)
            
            *
            
           | 
          1993-05-05 | 
          1996-04-02 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective transfer sheet material 
        | 
        
        
          | 
            
              US5648145A
              (en)
            
            *
            
           | 
          1993-09-10 | 
          1997-07-15 | 
          Reflexite Corporation | 
          Fire-resistant, retroreflective structure 
        | 
        
        
          | 
            
              US5691846A
              (en)
            
            *
            
           | 
          1993-10-20 | 
          1997-11-25 | 
          Minnesota Mining And Manufacturing Company | 
          Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture 
        | 
        
        
          | 
            
              US6318867B1
              (en)
            
            
            
           | 
          1993-10-20 | 
          2001-11-20 | 
          3M Innovative Properties Company | 
          Conformable cube corner retroreflective sheeting 
        | 
        
        
          | 
            
              US5450235A
              (en)
            
            *
            
           | 
          1993-10-20 | 
          1995-09-12 | 
          Minnesota Mining And Manufacturing Company | 
          Flexible cube-corner retroreflective sheeting 
        | 
        
        
          | 
            
              US5614286A
              (en)
            
            *
            
           | 
          1993-10-20 | 
          1997-03-25 | 
          Minnesota Mining And Manufacturing Company | 
          Conformable cube corner retroreflective sheeting 
        | 
        
        
          | 
            
              US5474827A
              (en)
            
            *
            
           | 
          1994-03-23 | 
          1995-12-12 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective article and method of making the same 
        | 
        
        
          | 
            
              DE69524215T2
              (de)
            
            *
            
           | 
          1994-05-12 | 
          2002-07-18 | 
          Minnesota Mining And Mfg. Co., Saint Paul | 
          Retroreflektierender körper und herstellungsverfahren 
        | 
        
        
          | 
            
              US5417515A
              (en)
            
            *
            
           | 
          1994-05-20 | 
          1995-05-23 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective article with dual reflector 
        | 
        
        
          | 
            
              US5750191A
              (en)
            
            *
            
           | 
          1994-05-20 | 
          1998-05-12 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective elements 
        | 
        
        
          | 
            
              US5673148A
              (en)
            
            *
            
           | 
          1994-06-23 | 
          1997-09-30 | 
          Minnesota Mining And Manufacturing Company | 
          Encapsulated retroreflective elements and method for making same 
        | 
        
        
          | 
            
              US6139158A
              (en)
            
            *
            
           | 
          1995-07-26 | 
          2000-10-31 | 
          Reflexite Corporation | 
          Retroreflective articles with multiple size prisms in multiple locations 
        | 
        
        
          | 
            
              US5657162A
              (en)
            
            *
            
           | 
          1995-07-26 | 
          1997-08-12 | 
          Reflexite Corporation | 
          Retroreflective articles with multiple size prisms in multiple locations 
        | 
        
        
          | 
            
              US5753392A
              (en)
            
            *
            
           | 
          1995-08-24 | 
          1998-05-19 | 
          Minnesota Mining And Manufacturing Company | 
          Method of electrostatically printing image-enhancing particles and said particles 
        | 
        
        
          | 
            
              US5674605A
              (en)
            
            *
            
           | 
          1995-09-15 | 
          1997-10-07 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective transfer sheet and applique 
        | 
        
        
          | 
            
              US5631064A
              (en)
            
            *
            
           | 
          1995-09-15 | 
          1997-05-20 | 
          Minnesota Mining And Manufacturing Company | 
          Retroreflective transfer sheet and applique 
        | 
        
        
          | 
            
              US5812317A
              (en)
            
            *
            
           | 
          1995-10-26 | 
          1998-09-22 | 
          Minnesota Mining And Manufacturing Company | 
          Exposed lens retroreflective article having a polymeric intermediate layer disposed between microspheric and reflective layers 
        | 
        
        
          | 
            
              US5620775A
              (en)
            
            *
            
           | 
          1995-11-03 | 
          1997-04-15 | 
          Minnesota Mining And Manufacturing Company | 
          Low refractive index glass microsphere coated article having a smooth surface and a method for preparing same 
        | 
        
        
          | 
            
              USD383312S
              (en)
            
            *
            
           | 
          1996-01-19 | 
          1997-09-09 | 
          Minnesota Mining And Manufacturing Company | 
          Seal pattern on retroreflective sheeting 
        | 
        
        
          | 
            
              USD397555S
              (en)
            
            
            
           | 
          1996-01-19 | 
          1998-09-01 | 
          Minnesota Mining And Manufacturing Company | 
          Striped surface pattern for retroreflective sheeting 
        | 
        
        
          | 
            
              US5706132A
              (en)
            
            *
            
           | 
          1996-01-19 | 
          1998-01-06 | 
          Minnesota Mining And Manufacturing Company | 
          Dual orientation retroreflective sheeting 
        | 
        
        
          | 
            
              US5656360A
              (en)
            
            *
            
           | 
          1996-02-16 | 
          1997-08-12 | 
          Minnesota Mining And Manufacturing Company | 
          Article with holographic and retroreflective features 
        | 
        
        
          | 
            
              US5882771A
              (en)
            
            *
            
           | 
          1996-04-10 | 
          1999-03-16 | 
          Minnesota Mining And Manufacturing Company | 
          Conformable embossable retroreflective sheeting 
        | 
        
        
          | 
            
              US5885677A
              (en)
            
            *
            
           | 
          1996-04-24 | 
          1999-03-23 | 
          Minnesota Mining And Manufacturing Company | 
          Security label with diffusing indentifier medium and method of making same 
        | 
        
        
          | 
            
              GB9616735D0
              (en)
            
            *
            
           | 
          1996-08-09 | 
          1996-09-25 | 
          Trip Productions B V | 
          Manufacture of glass microbeads 
      | 
        
        
          | 
            
              US6861141B2
              (en)
            
            *
            
           | 
          1996-12-04 | 
          2005-03-01 | 
          Gina M. Buccellato | 
          Pavement marking article and raised pavement marker that uses pressure sensitive adhesive 
        | 
        
        
          | 
            
              JPH10170710A
              (ja)
            
            *
            
           | 
          1996-12-12 | 
          1998-06-26 | 
          Minnesota Mining & Mfg Co <3M> | 
          光再帰性反射シート 
        | 
        
        
          | 
            
              US5976669A
              (en)
            
            *
            
           | 
          1996-12-20 | 
          1999-11-02 | 
          3M Innovative Properties Company | 
          Retroreflective article having launderably durable bead-bond 
        | 
        
        
          | 
            
              GB9816617D0
              (en)
            
            *
            
           | 
          1997-10-28 | 
          1998-09-30 | 
          Melba Prod | 
          Safety assemblies 
      | 
        
        
          | 
            
              US5959775A
              (en)
            
            *
            
           | 
          1997-12-23 | 
          1999-09-28 | 
          3M Innovative Properties Company | 
          Urethane/acrylate bead bond for retroreflective articles 
        | 
        
        
          | 
            
              US6238772B1
              (en)
            
            *
            
           | 
          1998-02-18 | 
          2001-05-29 | 
          Ferro Corporation | 
          Mine brattice cloth 
        | 
        
        
          | 
            
              US6372341B1
              (en)
            
            
            
           | 
          1998-04-27 | 
          2002-04-16 | 
          3M Innovative Properties Company | 
          Tampa-indicating article for reusable substrates 
        | 
        
        
          | 
            
              ES2207985T3
              (es)
            
            *
            
           | 
          1998-10-23 | 
          2004-06-01 | 
          Harald Kaufmann | 
          Transferencia por reflexion serigrafica y procedimiento para su preparacion. 
        | 
        
        
          | 
            
              SE514449C2
              (sv)
            
            *
            
           | 
          1998-10-23 | 
          2001-02-26 | 
          Cleanosol Ab | 
          Ytbeläggning avsedd att användas på markeringsbeläggningar för vägar, parkeringsplatser och liknande 
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          | 
            
              US6503564B1
              (en)
            
            
            
           | 
          1999-02-26 | 
          2003-01-07 | 
          3M Innovative Properties Company | 
          Method of coating microstructured substrates with polymeric layer(s), allowing preservation of surface feature profile 
        | 
        
        
          | 
            
              US6172810B1
              (en)
            
            
            
           | 
          1999-02-26 | 
          2001-01-09 | 
          3M Innovative Properties Company | 
          Retroreflective articles having polymer multilayer reflective coatings 
        | 
        
        
          | 
            
              US6376045B1
              (en)
            
            
            
           | 
          1999-05-24 | 
          2002-04-23 | 
          Tyco Adhesives Lp | 
          Hand tearable patterned retroreflective material 
        | 
        
        
          | 
            
              US6361850B1
              (en)
            
            
            
           | 
          1999-06-17 | 
          2002-03-26 | 
          3M Innovative Properties Company | 
          Retroreflective article having a colored layer containing a dye covalently bonded to a polymer 
        | 
        
        
          | 
            
              US6548164B1
              (en)
            
            
            
           | 
          1999-06-30 | 
          2003-04-15 | 
          3M Innovative Properties Company | 
          Removable sheeting 
        | 
        
        
          | 
            
              US6696126B1
              (en)
            
            
            
           | 
          1999-08-12 | 
          2004-02-24 | 
          The United States Of America As Represented By The Secretary Of The Navy | 
          Visual-tactile signage 
        | 
        
        
          | 
            
              EP2082995B1
              (en)
            
            
            
           | 
          1999-10-27 | 
          2012-08-08 | 
          3M Innovative Properties Company | 
          Method of reducing the surface tension, of forming a stable foam and to increase the wetting of a coating 
        | 
        
        
          | 
            
              US6767628B1
              (en)
            
            *
            
           | 
          1999-12-22 | 
          2004-07-27 | 
          John G. Posa | 
          Tape and wrapping materials with edge-finding feature 
        | 
        
        
          | 
            
              DE10029529A1
              (de)
            
            *
            
           | 
          1999-12-23 | 
          2001-06-28 | 
          Rohwedder Visotech Gmbh | 
          Reflektorsystem zur Positionsbestimmung 
        | 
        
        
          | 
            
              US6416188B1
              (en)
            
            *
            
           | 
          2000-04-11 | 
          2002-07-09 | 
          3M Innovative Properties Company | 
          Dielectric mirror retroreflective appliques having excellent repetitive laundering performance 
        | 
        
        
          | 
            
              EP1168282A1
              (en)
            
            *
            
           | 
          2000-06-20 | 
          2002-01-02 | 
          3M Innovative Properties Company | 
          Label for affixing to a garment 
        | 
        
        
          | 
            
              US6507441B1
              (en)
            
            
            
           | 
          2000-10-16 | 
          2003-01-14 | 
          Optid, Optical Identification Technologies Ltd. | 
          Directed reflectors and systems utilizing same 
        | 
        
        
          | 
            
              US6905881B2
              (en)
            
            *
            
           | 
          2000-11-30 | 
          2005-06-14 | 
          Paul Sammak | 
          Microbead-based test plates and test methods for fluorescence imaging systems 
        | 
        
        
          | 
            
              JP2002251091A
              (ja)
            
            *
            
           | 
          2001-02-27 | 
          2002-09-06 | 
          Konica Corp | 
          画像定着装置および画像形成装置 
        | 
        
        
          | 
            
              US20020163179A1
              (en)
            
            *
            
           | 
          2001-05-01 | 
          2002-11-07 | 
          Dubner Andrew D. | 
          Transparent tamper-indicating data sheet 
        | 
        
        
          | 
            
              US20030016368A1
              (en)
            
            *
            
           | 
          2001-07-23 | 
          2003-01-23 | 
          Aman James A. | 
          Visibly transparent retroreflective materials 
      | 
        
        
          | 
            
              US20030184636A1
              (en)
            
            *
            
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