Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734657 | Temperature-compensated fiber optic current sensor | Klaus Bohnert | 2004-05-11 |
| 5715058 | Method and device for the optical determination of a physical quantity | Klaus Bohnert | 1998-02-03 |
| 5115270 | Photographic color copying apparatus and exposure control process | Walter Kraft | 1992-05-19 |
| 5053694 | Device for measuring an electric field | Klaus Bohnert | 1991-10-01 |
| 4965017 | Liquid crystal devices | Paul A. Holmes, Alan Nevin, Hermann Amstutz | 1990-10-23 |
| 4929830 | Fiber-optic electric field sensor with piezoelectric body sensor | Klaus Bohnert, Meinolph Kaufmann | 1990-05-29 |
| 4812635 | Optoelectronic displacement sensor with correction filter | Meinolph Kaufmann, Karl Kloti, Hanspeter Schad | 1989-03-14 |
| 4705359 | Process and apparatus for the production of an orientation layer on a plane surface of a plate, and liquid crystal substrate plate produced thereby | Hermann Amstutz, Meinolph Kaufmann, Terry J. Scheffer | 1987-11-10 |