Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952481 | Headset | Leo Larsen | 2005-10-04 |
| 6778676 | Acoustic transmission connection, headset with acoustic transmission connection, and uses of the acoustic transmission connection | Torben Groth | 2004-08-17 |