Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6122353 | Method and apparatus for detecting a telephone CPE alerting signal | Robert H. Brady, William L. Nutter, Alexander Marra | 2000-09-19 |
| 5649002 | Method and apparatus for detecting a telephone CPE alerting signal | Robert H. Brady, William L. Nutter, Alexander Marra | 1997-07-15 |