Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287809 | Helmet-mounted sighting system | Werner Egli, Jack E. Wier | 1981-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287809 | Helmet-mounted sighting system | Werner Egli, Jack E. Wier | 1981-09-08 |