Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11558689 | Acoustic adapter for a loudspeaker driver | — | 2023-01-17 |
| 7614479 | Sound enhancement module | — | 2009-11-10 |
| 7207413 | Closed loop embedded audio transmission line technology for loudspeaker enclosures and systems | — | 2007-04-24 |
| 6704425 | System and method to enhance reproduction of sub-bass frequencies | — | 2004-03-09 |
| 4799264 | Speaker system | — | 1989-01-17 |
| 4228402 | Device for remote control of stereo hi-fi amplifier parameters | — | 1980-10-14 |