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Chair back construction
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Patent number 6,099,076
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Issue date Aug 8, 2000
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Steelcase Development Inc.
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Duane F. Nagel
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Chair back construction
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Patent number 6,062,649
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Issue date May 16, 2000
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Steelcase Development Inc.
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Duane F. Nagel
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Chair with adjustable seat
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Patent number 5,755,488
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Issue date May 26, 1998
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Steelcase Inc.
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Gregory S. Beda
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Chair with zero front rise control
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Patent number 5,318,346
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Issue date Jun 7, 1994
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Steelcase Inc.
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Charles P. Roossien
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...