Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105936 | Chain-drum mechanism | Kunibert Becker | 1992-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105936 | Chain-drum mechanism | Kunibert Becker | 1992-04-21 |