Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632845 | Method for welding tubular parts | Jorg Wermelinger | 1997-05-27 |
| 4980768 | Circuit arrangement for clamping black level reference signals contained in a video signal sequence | Hans J. Lorenz, Dietmar Dowe | 1990-12-25 |