Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456595 | Alarm indication signal detection in the presence of special line codes in DS1 (T1) telephone circuits | William G. Bartholomay, Santanu Bhattacharya, Balaraj Vishnu Varthanan | 2002-09-24 |