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Walter C. Mrotz III
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Comstock Park, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Articulating table connection
Patent number
5,568,775
Issue date
Oct 29, 1996
Knoll, Inc.
John J. Rizzi
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Ergonomic seat and back structure for a chair
Patent number
5,015,038
Issue date
May 14, 1991
The Shaw-Walker Company
Walter C. Mrotz
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Tilt control mechanism, particularly for knee-tilt chair
Patent number
4,818,019
Issue date
Apr 4, 1989
Haworth, Inc.
Walter C. Mrotz
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Tilt mechanism, particularly for knee-tilt chair
Patent number
4,796,950
Issue date
Jan 10, 1989
Haworth, Inc.
Walter C. Mrotz
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Mechanical chair-height control mechanism
Patent number
4,598,892
Issue date
Jul 8, 1986
Haworth, Inc.
Paul F. Franckowiak
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Blind connecting structure for inner and outer shells of chair back
Patent number
4,390,210
Issue date
Jun 28, 1983
Haworth Mfg., Inc.
Joseph M. Wisniewski
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...