Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511115 | Apparatus and method for programming a repertory dial button of a station terminal | Duane Galensky, David F. Jones | 1996-04-23 |
| 5396548 | Communication system utilizing information received during a silent interval between ringing signals | Paul J. O'Brien, Pamela A. Savage | 1995-03-07 |