Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039446 | Face shield, incorporating a wrist watch display | — | 2000-03-21 |
| 6029515 | Navigation system for diving operations | Ari Nikkola | 2000-02-29 |
| 5560114 | Arrangement for compensating for magnetic declination in an optically readable bearing compass | — | 1996-10-01 |