Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333201 | Multi dimensional sound circuit | — | 1994-07-26 |
| 5319713 | Multi dimensional sound circuit | Derek F. Bowers | 1994-06-07 |
| 5268527 | Audio power amplifier with reactance simulation | — | 1993-12-07 |
| 5263091 | Intelligent automatic threshold circuit | — | 1993-11-16 |
| 5124657 | Composite signal processor and single-ended noise reduction system | — | 1992-06-23 |
| 4893099 | Extended response dynamic noise reduction system | — | 1990-01-09 |
| 4881047 | Automatic gain expansion system | — | 1989-11-14 |
| 4745309 | Adjustable RMS circuit | — | 1988-05-17 |
| 4696044 | Dynamic noise reduction with logarithmic control | — | 1987-09-22 |
| 4647876 | Extended response dynamic noise reduction system | — | 1987-03-03 |
| 4538297 | Aurally sensitized flat frequency response noise reduction compansion system | — | 1985-08-27 |