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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US396780431 Mar 19756 Jul 1976Robert Krause KG Zweiniederlassung Weilheim/TeckFrame structure for furniture, especially table frame structure
US45896213 Jan 198420 May 1986International Business Machines CorporationErgonomic monitor stand
US464487522 Mar 198524 Feb 1987Weber-Knapp CompanyAdjustable keyboard supporting mechanism
US48832494 Feb 198728 Nov 1989Counterbalancing
US497924814 Jul 198925 Dec 1990John MayAir suspension bed for vehicles
US550308619 Mar 19932 Apr 1996Ultra-Mek, Inc.Table with movable top surface
US570429916 May 19966 Jan 1998Haworth, Inc.Keyboard support
US607678528 Feb 199720 Jun 2000Innovative Office Products, Inc.Ergonomic sit/stand keyboard support mechanism
US787812914 Dec 20071 Feb 2011Swing-out workbench extension apparatus
US793525014 Jul 20063 May 2011Gambro Lundia ABBlood processing apparatus
USD3818355 Apr 19965 Aug 1997Haworth, Inc.Keyboard support