Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366653 | Locking device for a cylindrical cavity | Daniel Marchand, Claus Notheisen, Rene Walther | 1983-01-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366653 | Locking device for a cylindrical cavity | Daniel Marchand, Claus Notheisen, Rene Walther | 1983-01-04 |