Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598381 | Method for taking directions and timepiece intended to make use of this method | Etienne Bornand | 1997-01-28 |
| 5596551 | Watch comprising an arrangement for detecting the direction of the terrestrial magnetic north | Jean-Jacques Born, Etienne Bornand | 1997-01-21 |