Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872055 | Line synchronizing circuit in a picture display device | Dirk J. A. Teuling | 1989-10-03 |
| 4849652 | Circuit for producing a periodic, essentially parabolic signal | — | 1989-07-18 |