Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514773 | Circuit arrangement for generating an actuating signal for a piezo-electric element of a positioning device | — | 1985-04-30 |
| 4283744 | Video reproducing apparatus with variable delay means | Harald Melwisch | 1981-08-11 |