Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4920257 | Light filter with automatic regulationof optical transmission | Rupert Fuerthbauer | 1990-04-24 |
| 4620322 | Electro-optic welding lens assembly | Andre M. Eggenschwiler | 1986-11-04 |
| 4257030 | Electronically coded cylinder lock and key | Peter Rutimann | 1981-03-17 |