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Ergonomic chair
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Patent number 7,497,515
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Issue date Mar 3, 2009
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Marek Kmicikiewicz
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Aerodynamic automobile
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Patent number 6,230,836
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Issue date May 15, 2001
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CKE Technologies Inc.
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Ben Cowan
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Adjustable chair
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Patent number 5,577,802
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Issue date Nov 26, 1996
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CKE Technologies, Inc.
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Benjamin Cowan
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Ergonomic chair
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Patent number 5,048,893
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Issue date Sep 17, 1991
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Cowan; Benjamin
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Benjamin Cowan
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...