Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4727965 | Geared hub with freewheel, especially for wheel-chairs | Wolfgang Zach | 1988-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4727965 | Geared hub with freewheel, especially for wheel-chairs | Wolfgang Zach | 1988-03-01 |