Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11743648 | Control leak implementation for headset speakers | Tetsuro Oishi, Rex Price, Limin Zhou, Joshua James Barr, Michael Lee Butts | 2023-08-29 |
| 11540055 | Control leak implementation for headset speakers | Tetsuro Oishi, Rex Price, Limin Zhou, Joshua James Barr, Michael Lee Butts | 2022-12-27 |
| 7646865 | Telephone handset coupling system | Christopher Todd Welsh, Alan Dean Michel, John Charles Baumhauer, Jr., Larry A. Marcus | 2010-01-12 |