Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802164 | Systems and methods for controlling telephone sound enhancement on a per call basis | Beth J. Clancy, Richard L. Else, Richard E. Le Cronier, Roger E. Stone, Nancy Y. Tai | 1998-09-01 |
| 5457684 | Delay-less signal processing arrangement for use in an ATM network | Behram H. Bharucha, Charles W. K. Gritton, Richard Zoccolillo | 1995-10-10 |
| 5327489 | Method and apparatus for monitoring a network for customer signaling during the term of a call | Thomas W. Anderson, Elliott Baral, Ronald S. Byrd, Bernard W. Fecht, David S. Isenberg +3 more | 1994-07-05 |
| 5327492 | Method for selectively controlling the propagation of dual-tone multi-frequency signals within a telecommunications network | — | 1994-07-05 |