Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349092 | Device for coupling and uncoupling a universal joint shaft | — | 1982-09-14 |
| 4326392 | Multipartite protective device for universal joint shafts | Clemens Nienhaus | 1982-04-27 |