Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4962311 | Device for determining the direction of incident laser radiation | Hans Poisel, Martina Schreiber | 1990-10-09 |
| 4944590 | Optical-fiber gyroscope of sagnac type having a fiber-optic loop and 3.times.3 coupler | Hans Poisel | 1990-07-31 |