Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6539023 | Methods and apparatus for handling maintenance messages in extended superframe T1 telephone circuits | William G. Bartholomay, Santanu Bhattacharya, Pushkal Yadav | 2003-03-25 |
| 6456595 | Alarm indication signal detection in the presence of special line codes in DS1 (T1) telephone circuits | William G. Bartholomay, Santanu Bhattacharya, Pushkal Yadav | 2002-09-24 |