Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111439 | Chronometer with tide indicating means | — | 1992-05-05 |
| 4982388 | Apparatus dial and watch | — | 1991-01-01 |
| 4548512 | Watch with indicator of lunar phases | — | 1985-10-22 |
| 4461580 | Watch, the back cover of which constitutes a plate | — | 1984-07-24 |
| 4382690 | Ultra-flat electronic watch | — | 1983-05-10 |