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USD249072S
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1976-11-22 |
1978-08-22 |
American Optical Corporation |
Disposable respiratory mask
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1980-06-09 |
1989-07-25 |
Metric Products, Inc. |
Face mask
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1980-07-03 |
1983-12-13 |
Racal Safety Limited |
Respirators
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1980-07-03 |
1983-11-29 |
Racal Safety Limited |
Respirators
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USD271432S
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1981-06-24 |
1983-11-15 |
Mine Safety Appliances Company |
Dust filtering respirator
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USD277520S
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1982-09-30 |
1985-02-12 |
Gregory John R |
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1986-08-26 |
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1985-09-23 |
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1988-06-09 |
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Surgical mask barrier apparatus
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1991-06-28 |
1994-02-22 |
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Heat-recuperating mask
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1995-09-11 |
2003-05-27 |
3M Innovative Properties Company |
Flat-folded personal respiratory protection devices and processes for preparing same
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1996-05-20 |
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Survivair, Inc. |
Disposable face mask
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1996-11-25 |
2010-07-20 |
3M Innovative Properties Company |
Personal respiratory protection device
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1997-01-24 |
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3M Innovative Properties Company |
Bond pattern for a personal respiratory protection device
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1997-09-29 |
2000-10-31 |
Kimberly-Clark Worldwide, Inc. |
Absorbent article with visually and tactilely distinctive outer cover
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1998-04-29 |
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Kimberly-Clark Worldwide, Inc. |
Disposable aerosol mask with disparate portions
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1999-02-17 |
2001-06-19 |
3M Innovative Properties Company |
Respiratory mask
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1999-02-17 |
2002-05-28 |
3M Innovative Properties Company |
Flat-folded personal respiratory protection devices and processes for preparing same
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USD448472S1
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1999-02-17 |
2001-09-25 |
3M Innovative Properties Company |
Respiratory mask
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JP3295413B2
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2000-01-21 |
2002-06-24 |
サンエム・パッケージ株式会社 |
マスク
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Street Cars, Inc. |
Fingerprint shoe sole
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2002-06-05 |
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Stiffened filter mask
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2004-12-21 |
2014-01-07 |
Kimberly-Clark Worldwide, Inc. |
Face mask with absorbent element
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2004-12-22 |
2006-06-22 |
Kimberly-Clark Worldwide, Inc |
Face mask with horizontal and vertical folds
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2007-05-03 |
2017-09-26 |
3M Innovative Properties Company |
Maintenance-free anti-fog respirator
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2009-09-18 |
2014-02-04 |
3M Innovative Properties Company |
Flat-fold filtering face-piece respirator having structural weld pattern
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2009-10-23 |
2013-09-10 |
3M Innovative Properties Company |
Filtering face-piece respirator having parallel line weld pattern in mask body
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