Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991419 | Bilateral signal processing prosthesis | — | 1999-11-23 |
| 4952867 | Base bias current compensator | James R. Anderson | 1990-08-28 |
| 4934770 | Electronic compression system | James R. Anderson | 1990-06-19 |
| 4926139 | Electronic frequency filter | James R. Anderson | 1990-05-15 |
| 4922131 | Differential voltage threshold detector | James R. Anderson | 1990-05-01 |
| 4912393 | Voltage regulator with variable reference outputs for a hearing aid | James R. Anderson | 1990-03-27 |
| 4876499 | Differental voltage controlled exponential current source | James R. Anderson | 1989-10-24 |
| 4829270 | Compansion system | James R. Anderson | 1989-05-09 |
| 4792977 | Hearing aid circuit | James R. Anderson | 1988-12-20 |
| 4729451 | Receiver suspension and acoustic porting system | Timothy A. Daneliuk | 1988-03-08 |
| 4543453 | Electronic hearing aid control circuit | — | 1985-09-24 |
| 4272591 | Electronic apparatus with battery chamber | — | 1981-06-09 |