Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239655 | Microphone amplifier with digital gain control | Dennis Lloyd Caldwell, Larry E. Hand, Thomas Stuckman | 2001-05-29 |
| 5434921 | Stereo image control circuit | Joseph Dombrowski | 1995-07-18 |
| 5426622 | Multi-mode audio imaging control device having unitary control element | — | 1995-06-20 |