Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9306820 | Programmable presence proxy for determining a presence status of a user | David G. Boyer, Vipul Kishore Lalka, Levent Sasmazel, Prem Sumetpong | 2016-04-05 |
| 8706090 | Method and apparatus for delivering a voice mail message with an indication of the presence of the sender | David G. Boyer, Latha Ravishankar, Prem Sumetpong | 2014-04-22 |
| 8487770 | Programmable presence proxy for determining a presence status of a user | David G. Boyer, Vipul Kishore Lalka, Levent Sasmazel, Prem Sumetpong | 2013-07-16 |
| 6920339 | Enhanced feature access via keypad and display in a user terminal of a communication system | Vincent H. Choy, Petagay Maria Cruz, Veda Gundanna, Stephen M. Milton | 2005-07-19 |
| 6351463 | Method and apparatus for transmitting a synchronization beacon in a wireless communication network | Charles M. DeSantis, Kevin W. Gould, Raymond Abbott Sackett, Thomas Ralph Smeraldi, Jr. | 2002-02-26 |
| 6052580 | Upper medium access control processor architecture | — | 2000-04-18 |