Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9094767 | Headset plug universal auto switcher | Alex Danielson | 2015-07-28 |
| 5297181 | Method and apparatus for providing a digital audio interface protocol | Keith Barr, Alan Zak, Marcus Ryle, David Brown | 1994-03-22 |