|
| US4582362 | 17 Nov 1982 | 15 Apr 1986 | Aprica Kassai Kabushiki Kaisha | Seat-equipped nursing implement |
| US4718727 | 29 May 1984 | 12 Jan 1988 | | Reversible seat cushion and backrest |
| US4824174 | 2 May 1988 | 25 Apr 1989 | | Seating device |
| US5286089 | 21 Feb 1992 | 15 Feb 1994 | | Seat cushion for alleviation of perineal and rectal discomfort |
| US5613256 | 14 Nov 1995 | 25 Mar 1997 | | Adjustable wheelchair seat cushion system |
| US5628079 | 16 Jan 1996 | 13 May 1997 | | Seat cushion with projections |
| US5681092 | 8 Nov 1994 | 28 Oct 1997 | | Anatomical wheelchair seat cushion system |
| US5896603 | 18 Dec 1997 | 27 Apr 1999 | Klear-Vu Corporation | Articles with gripping surfaces |
| US6058535 | 14 Dec 1998 | 9 May 2000 | | Universal sport seat |
| US6212717 | 1 Feb 1999 | 10 Apr 2001 | Klear-Vu Corporation | Articles with gripping surfaces |
| US6581227 | 21 May 2002 | 24 Jun 2003 | Gebr. Obemaier OHG | Hollow body for use as a sitting support |
| US6839928 | 5 Feb 2002 | 11 Jan 2005 | Gelco Products, LLC | Seat cushion with integrated handle |
| US6990744 | 28 Jul 2003 | 31 Jan 2006 | Aspen Seating, LLC | Apparatus and method for evaluating clearance from a contoured seat cushion |
| US7140057 | 28 Jan 2004 | 28 Nov 2006 | Aspen Seating, LLC | Reinforced and adjustable contoured seat cushion and method of reinforcing and adjusting the contoured seat cushion |
| US7216388 | 28 Jul 2003 | 15 May 2007 | Aspen Seating, LLC | Contoured seat cushion and method for offloading pressure from skeletal bone prominences and encouraging proper postural alignment |
| US7220376 | 28 Jul 2003 | 22 May 2007 | Aspen Seating, LLC | Individually-contoured seat cushion and shape capturing and fabricating method for seat cushion |
| US7249800 | 15 Aug 2003 | 31 Jul 2007 | Easydoing Oy | Chair for elimination of problems of sedentary origin |
| US7270376 | 10 Jun 2005 | 18 Sep 2007 | NuBax Limited | Enhanced process for making seating elements and products thereby including those specially designed for children |
| US7373678 | 27 May 2005 | 20 May 2008 | Aspen Seating, LLC | Seat cushion with adjustable contour and method of adjusting the contour of a seat cushion |
| US7588290 | 24 Oct 2001 | 15 Sep 2009 | NHK Spring Co., Ltd. | Vehicle-seat covering system |
