Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7889849 | Mobile device conference calls via private branch exchange | Saurav Chatterjee, Josh Perfetto, Hemendra Rana, Steven Schramm | 2011-02-15 |
| 7876888 | Mobile device calls via private branch exchange | Saurav Chatterjee, Josh Perfetto, Hemendra Rana | 2011-01-25 |