Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449474 | Method and apparatus for call interception capabilities for use with intelligent network services in a communications system | Probal Mukherjee, Rosemary McGowan | 2002-09-10 |
| 6181927 | Sponsored call and cell service | Sima Chiniwala, Stewart H. Maxwell, Thanh Pham, Anatoly Vaserfirer | 2001-01-30 |
| 6175622 | Virtual private network for a telephone network | Sima Chiniwala, Stewart H. Maxwell, Thanh Pham, Anatoly Vaserfirer | 2001-01-16 |
| 6128495 | Method of routing calls in a communications system | Iain E. Sharp, Bradford Clapp | 2000-10-03 |