Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963730 | Tie-down for wheelchairs | James A. Ditch, Frereidoun Razavi | 2011-06-21 |
| 6755474 | Downwardly pivoting armrest | — | 2004-06-29 |
| 6524039 | Wheelchair restraining system with remotely-controlled restraining belts | Douglas Fassett, Bernard Harold, III | 2003-02-25 |
| 5888038 | Tie-down for wheelchairs | James A. Ditch, Frereidoun Razavi | 1999-03-30 |
| 5839787 | Seat assembly for mass transit vehicle | Michael E. Phillips | 1998-11-24 |
| 5655816 | Seat assembly for mass transit vehicle | Michael E. Phillips | 1997-08-12 |
| 5152582 | Self-aligning fastener system having stud-engaging resilient legs | — | 1992-10-06 |
| 4971341 | Wheelchair retainer coupling | — | 1990-11-20 |
| 4426114 | Unitary supporting and seat frame for rigid seat | Norman J. Kehl | 1984-01-17 |
| 4365840 | Seat with back cushion attachment | Norman J. Kehl | 1982-12-28 |