Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566706 | Easy-adjust stair climber for wheelchair | Franz Bihler | 1986-01-28 |
| 4556229 | Stair-climbing apparatus for wheelchair | Franz Bihler | 1985-12-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566706 | Easy-adjust stair climber for wheelchair | Franz Bihler | 1986-01-28 |
| 4556229 | Stair-climbing apparatus for wheelchair | Franz Bihler | 1985-12-03 |