Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5110209 | Method and apparatus for adjusting the alignment of a sighting device and a pivotable member | Nicolaas P. Elshoud | 1992-05-05 |
| 4487483 | Catadioptric objective | — | 1984-12-11 |
| 4266129 | Device for viewing residual light in the visible and the near infrared spectrum | Abraham Groeneweg | 1981-05-05 |