Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4736163 | Circuit for detecting and suppressing pulse-shaped interferences | Johan M. Rijnsburger | 1988-04-05 |
| 4580237 | Digital tone control arrangement | Ludwig D. J. Eggermont | 1986-04-01 |