Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9574671 | Determining communication modes of a mobile device based on presence information | Mark F. Amberg | 2017-02-21 |
| 5410416 | Simultaneous multi-access, low-speed/high-speed, multi-delivery fax gateway | Wallace L. Dingee, Jr., Mark Felton | 1995-04-25 |