Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10172067 | Bypassing external packet data networks in mobile-to-mobile communication | — | 2019-01-01 |
| 8331357 | Computer telephony using a circuit-switched network | — | 2012-12-11 |
| 6735296 | Method and apparatus for swapping telephone numbers between switching modules | Kennard Ray Buck | 2004-05-11 |