Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642702 | Apparatus for time base correction | Josephus Arnoldus Henricus Maria Kahlman | 1987-02-10 |
| 4236173 | Apparatus for reading a disc-shaped record carrier having a PAL color television signal | Martinus P. M. Bierhoff | 1980-11-25 |