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Keyboard mechanism tracking system
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Patent number 6,488,248
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Issue date Dec 3, 2002
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Counterbalanced table mechanism
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Patent number 5,797,331
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Issue date Aug 25, 1998
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Adjustable work surface
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Patent number 5,791,263
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Issue date Aug 11, 1998
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Laptop computer support
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Patent number 5,722,624
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Issue date Mar 3, 1998
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Counterbalance mechanism
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Patent number 5,501,420
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Issue date Mar 26, 1996
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Counterbalance mechanism
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Patent number 5,181,620
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Issue date Jan 26, 1993
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Weber-Knapp Company
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Richard L. Watt
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Table lift mechanism
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Patent number 4,981,085
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Issue date Jan 1, 1991
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Straight line motion mechanism
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Patent number 4,747,353
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Issue date May 31, 1988
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Adjustable keyboard supporting mechanism
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Patent number 4,644,875
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Issue date Feb 24, 1987
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Adjustable keyboard supporting mechanism
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Patent number 4,625,657
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Issue date Dec 2, 1986
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Weber-Knapp Company
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Carl H. Little
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Motorized lift mechanism
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Patent number 4,568,132
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Issue date Feb 4, 1986
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Weber-Knapp Company
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Richard L. Watt
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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