Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811087 | Clamping circuit for a television transmission system | Ludovicus H. M. Engel, Pieter C. Pieket Weeserik | 1989-03-07 |
| 4651328 | Arrangement for supervising a CMI-code converter | Cornelis Johannis Den Hollander | 1987-03-17 |