Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552028 | Device for measuring force | Christof W. Burckhardt, Philipp Stauber | 1985-11-12 |
| 4367049 | Driving device especially for a timepiece | Claude Laesser, Jean Depery | 1983-01-04 |