Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9380176 | Voice band data mode in a universal facsimile engine | Ximing Chen, Herbert Cohen | 2016-06-28 |
| 8737385 | PBX call management | Robert Olshansky, Eric R. Sporel, Robert H. Liao, Derek Mitsumori, Sujin Catherine Chang | 2014-05-27 |
| 7920692 | PBX call management | Robert Olshansky, Eric R. Sporel, Robert H. Liao, Derek Mitsumori, Sujin Catherine Chang | 2011-04-05 |