Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196967 | Method of automatically optimizing the recording bias for a video signal, and arrangement for carrying out the method | Ulrich Grothaus, Karl Singer | 1993-03-23 |
| 5109302 | Video recording device | Reinhard Stacho, Egbert Spanner, Michael Borgelt | 1992-04-28 |