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Chain control locking assembly
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Patent number 4,438,898
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Issue date Mar 27, 1984
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Steelcase Inc.
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Jack R. Knoblauch
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Synchrotilt chair control
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Patent number 4,390,206
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Issue date Jun 28, 1983
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Steelcase, Incorporated
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Frederick S. Faiks
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Plastic encapsulated base
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Patent number 4,262,871
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Issue date Apr 21, 1981
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Steelcase Inc.
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Stephen B. Kolk
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...