Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8197009 | Wheelchair seatback with two-point mounting hardware | Thomas J. Whelan, Vincent J. Frerich, Sy Tran | 2012-06-12 |
| 7896438 | Shapeable wheelchair seatback assembly | Thomas J. Whelan | 2011-03-01 |
| 7857394 | Wheelchair seat back with two-point mounting hardware | Thomas J. Whelan, Vincent J. Frerich, Sy Tran, James M. Koerlin | 2010-12-28 |
| 7614704 | Wheelchair seat cushion | Thomas J. Whelan | 2009-11-10 |
| 7146666 | Seat cushion and method for carrying pressure-distributing medium in a seat cushion | Thomas J. Whelan | 2006-12-12 |
| 6688693 | Seat back assembly | Sharon L. Pratt, Allen Killebrew, Bryan Griffiths | 2004-02-10 |
| 6059370 | Wheelchair seat back pelvic support system | Brian D. Kanyer, Vincent J. Frerich, Grant C. Denton | 2000-05-09 |
| 6033025 | Notched support pads for cushioning wheelchair seatback | Brian D. Kanyer, Vincent J. Frerich, Grant C. Denton | 2000-03-07 |
| 5947562 | Quick release seat | Grant C. Denton, Peter A. Swisshelm | 1999-09-07 |