Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349357 | Circuit arrangement for obtaining a constant field strength of an HF signal radiated by a transmitting device with exchangeable antenna | Josef H. Schurmann | 1994-09-20 |
| 4639765 | Synchronization system for overlay of an internal video signal upon an external video signal | — | 1987-01-27 |