Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519774 | Method and system for detecting at a selected station an alerting signal in the presence of speech | Ralph N. Battista, James R. Bress, Hala E. Mowafy | 1996-05-21 |
| 5353342 | Adaptive multitone signaling method | — | 1994-10-04 |