Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433301 | Equalization preamplifier with high frequency gain peaking | — | 1984-02-21 |
| 4408144 | Tape tension control for a tape transducer | — | 1983-10-04 |
| 4274056 | Charge amplifier with minimum offset voltage | Walter Kamphorst, Romeal F. Asmar | 1981-06-16 |