Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907077 | Method and apparatus for white balancing | Juergen Rohardt | 1990-03-06 |
| 4707597 | Method and apparatus for acoustic supervision of adjustment operations at optical devices | Horst Sievers | 1987-11-17 |
| 4694150 | Method and apparatus for acoustic supervision of adjustment operations at optical devices | Horst Sievers | 1987-09-15 |
| 4694152 | Method and apparatus for acoustic supervision of adjustment operations at optical devices | Horst Sievers | 1987-09-15 |