Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850674 | Means for keeping an optical lens in a desired position in a lens holder under varying temperature | — | 1989-07-25 |
| 4850694 | Alignment means for a light source emitting invisible laser light | Stefan A. Severinsson | 1989-07-25 |