Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956830 | Watch having a case formed at least partially from a hard material | Elmar Mock | 1990-09-11 |
| 4692033 | Timepiece having case formed of rock-like material | Elmar Mock | 1987-09-08 |