Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411330 | Stair-climbing apparatus for a wheel chair or similar mobile transport means | — | 1983-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411330 | Stair-climbing apparatus for a wheel chair or similar mobile transport means | — | 1983-10-25 |