Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324060 | Wheelchair cycle apparatus | Charles R. Van Vooren | 1994-06-28 |
| 5066032 | Wheel chair cycle apparatus | Charles R. Van Vooren | 1991-11-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324060 | Wheelchair cycle apparatus | Charles R. Van Vooren | 1994-06-28 |
| 5066032 | Wheel chair cycle apparatus | Charles R. Van Vooren | 1991-11-19 |