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Seating unit including novel back construction
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Patent number 6,905,171
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Issue date Jun 14, 2005
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Steelcase Development Corporation
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Arnold B. Dammermann
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Back for seating unit
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Patent number 6,394,545
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Issue date May 28, 2002
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Steelcase Development Corporation
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Glenn A. Knoblock
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Lumbar device
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Patent number 6,394,546
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Issue date May 28, 2002
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Steelcase Development Corporation
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Glenn A. Knoblock
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Back for seating unit
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Patent number 6,367,877
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Issue date Apr 9, 2002
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Steelcase Development Corporation
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Glenn A. Knoblock
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Chair including novel back construction
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Patent number 5,975,634
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Issue date Nov 2, 1999
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Steelcase Development Inc.
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Glenn A. Knoblock
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...