Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371821 | Electromagnetic motor rotatable in either direction | Claude Laesser, Roberto Zafferri | 1983-02-01 |
| 4367049 | Driving device especially for a timepiece | Claude Laesser, Gerard Piller | 1983-01-04 |
| 4361790 | Electromagnetic motor rotatable in either direction | Claude Laesser, Roberto Zafferri | 1982-11-30 |