Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6122353 | Method and apparatus for detecting a telephone CPE alerting signal | Robert H. Brady, David Zielski, Alexander Marra | 2000-09-19 |
| 5649002 | Method and apparatus for detecting a telephone CPE alerting signal | Robert H. Brady, David Zielski, Alexander Marra | 1997-07-15 |
| 5228080 | Method and apparatus for processing an incoming telephone call signal which may include a data message | Robert F. Wasco, Jonathan G. Berera | 1993-07-13 |