|
| US4085967 | 3 Aug 1977 | 25 Apr 1978 | Dentsply Research & Development Corporation | Operatory stool with clutch for rest member |
| US4315612 | 10 May 1979 | 16 Feb 1982 | | Fishing rod extender |
| US4844387 | 31 Dec 1986 | 4 Jul 1989 | Hunt Holdings, Inc. | Monitor arm apparatus |
| US5257767 | 21 Jul 1992 | 2 Nov 1993 | Waterloo Furniture Components, Ltd. | Adjustable support mechanism for a keyboard platform |
| US5292118 | 31 Jan 1992 | 8 Mar 1994 | Huffy Corporation | Basketball backboard elevator system |
| US6082693 | 11 Dec 1998 | 4 Jul 2000 | Fisher & Paykel Limited | Inclination adjusting linkage arrangement for a supporting surface |
| US6135404 | 5 Nov 1998 | 24 Oct 2000 | Weber Knapp Company | Keyboard mounting mechanism |
| US7331883 | 27 Sep 2005 | 19 Feb 2008 | Russell Corporation | Spinning nut basketball elevator system |
| US7335119 | 29 Sep 2005 | 26 Feb 2008 | Russell Corporation | Ratchet elevator system |
| US7581791 | 1 Jul 2005 | 1 Sep 2009 | Humanscale Corporation | Ergonomic chair arm |
| US7841569 | 20 Mar 2006 | 30 Nov 2010 | Humanscale Corporation | Keyboard support mechanism |
| US7841570 | 21 Oct 2008 | 30 Nov 2010 | Humanscale Corporation | Keyboard support mechanism |
| US8104837 | 16 Jul 2008 | 31 Jan 2012 | Humanscale Corporation | Ergonomic chair arm |