Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5729536 | Cellular system architectures supporting data services | Bharat Tarachand Doshi, Subrahmanyam Dravida, Richard P. Ejzak, Sanjiv Nanda, Anil S. Sawkar | 1998-03-17 |
| 5633868 | Virtual circuit management in cellular telecommunications | John H. Baldwin, Helen Chu, Bharat Tarachand Doshi, Subrahmanyam Dravida, Sanjiv Nanda | 1997-05-27 |
| 5204902 | Cellular telephony authentication arrangement | James Alexander Reeds, III, I-Hsiang Yu | 1993-04-20 |
| 5172414 | Speech and control message encrypton in cellular radio | James Alexander Reeds, III | 1992-12-15 |
| 5153919 | Service provision authentication protocol | James Alexander Reeds, III | 1992-10-06 |