Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649002 | Method and apparatus for detecting a telephone CPE alerting signal | Robert H. Brady, David Zielski, William L. Nutter | 1997-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649002 | Method and apparatus for detecting a telephone CPE alerting signal | Robert H. Brady, David Zielski, William L. Nutter | 1997-07-15 |