Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5984411 | Elevator chair | — | 1999-11-16 |
| 5609348 | Wheelchair | — | 1997-03-11 |
| 5401044 | Two piece collapsible wheelchair | — | 1995-03-28 |
| 5211414 | Wheelchair | — | 1993-05-18 |
| 5184802 | Wire grid for box spring bedding assembly | — | 1993-02-09 |
| 4899404 | Elevation system for a bed assembly | — | 1990-02-13 |
| 4872227 | Stiffening module for a mattress box spring and a box spring incorporating same | — | 1989-10-10 |
| 4742586 | Elevation system for a bed assembly | — | 1988-05-10 |
| 4677701 | Firmness control device | — | 1987-07-07 |
| 4662015 | Combined foundation and bedspread bench | — | 1987-05-05 |