|
| US4616798 | 26 Feb 1985 | 14 Oct 1986 | Haworth, Inc. | Adjustable support for CRT keyboard |
| US4843978 | 27 Jul 1987 | 4 Jul 1989 | HON Industries, Inc. | Table with vertically adjustable work surface |
| US5257767 | 21 Jul 1992 | 2 Nov 1993 | Waterloo Furniture Components, Ltd. | Adjustable support mechanism for a keyboard platform |
| US5398622 | 31 May 1994 | 21 Mar 1995 | Steelcase Inc. | Adjustable dual worksurface support |
| US5685231 | 5 Oct 1992 | 11 Nov 1997 | | Computer work station |
| US5752448 | 7 Jun 1995 | 19 May 1998 | Baker Manufacturing Co., Inc. | Motorized Table |
| US5778799 | 23 Feb 1996 | 14 Jul 1998 | Baker Manufacturing Co. | Computer work station |
| US6883764 | 19 Jul 1999 | 26 Apr 2005 | Humanscale Corp. | Keyboard support mechanism |
| US7841569 | 20 Mar 2006 | 30 Nov 2010 | Humanscale Corporation | Keyboard support mechanism |
| US7841570 | 21 Oct 2008 | 30 Nov 2010 | Humanscale Corporation | Keyboard support mechanism |