Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247715 | Lever-operated wheelchair | — | 2001-06-19 |
| 5112072 | Wheelchair for single-hand operation | — | 1992-05-12 |
| 4776304 | Movement converter for use in an engine and the like | — | 1988-10-11 |
| 4506900 | Lever-operated type of wheelchair | — | 1985-03-26 |
| 4299581 | Stepless transmission device for a bicycle | — | 1981-11-10 |