Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588305 | Electronic chronograph watch having analog and digital display of measured time periods | Jean-Daniel Dubois | 1986-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588305 | Electronic chronograph watch having analog and digital display of measured time periods | Jean-Daniel Dubois | 1986-05-13 |