Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440389 | Optical sensor for rotational movements having an optical running period element | — | 1995-08-08 |
| 5341211 | Apparatus for making absolute two-demensional position measurements | Friedrich Prinzhausen | 1994-08-23 |
| 5293215 | Device for interferometric detection of surface structures | Thomas Pfendler | 1994-03-08 |
| 5141317 | Method of optoelectronically measuring distances and angles | Heins-Erdam Bollhagen | 1992-08-25 |