Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925053 | Method and apparatus for providing backup telecommunication service | Joseph Michael Corrado, David John Garney | 2005-08-02 |
| 4811378 | Toll fraud control | Richard L. Else | 1989-03-07 |