Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5249415 | Link chain, in particular a flyer chain. | — | 1993-10-05 |
| 4747261 | Load transmitting chain with plate links | — | 1988-05-31 |
| 4283183 | Chain wheel system | Wolfgang Janzen | 1981-08-11 |