Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741715 | Digital hearing aid with a voltage converter for supplying a reduced operation voltage | — | 2004-05-25 |
| 5300904 | Circuit arrangement for the tank circuit of a high-frequency transmitter output stage operated with frequency shift keying | — | 1994-04-05 |
| 4722723 | Rotatable drum assembly | — | 1988-02-02 |
| 4325009 | Device for displaying an analog signal on a display screen | — | 1982-04-13 |