Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7154865 | Application module interface for bidirectional signaling and bearer channels in a private branch exchange (PBX) environment | David W. Haislett | 2006-12-26 |
| 6314162 | Digital telephone link margin verification | Paul B. Newland | 2001-11-06 |
| RE36673 | Viceband data set | Enrique Cheng-Quispe, Thomas M. Dennis, George Malek, Shih Yung Tong | 2000-04-25 |
| RE33380 | Voiceband data set | Enrique Cheng-Quispe, Thomas M. Dennis, George Malek, Shih Yung Tong | 1990-10-09 |
| 4528681 | Button depression click generator | — | 1985-07-09 |
| 4512016 | Digital communication station signaling control | Richard J. Nici, Vance Eugene Poteat, George W. Schramm, John B. Sharp, Michael M. Winseck, Jr. | 1985-04-16 |
| 4419756 | Voiceband data set | Enrique Cheng-Quispe, Thomas M. Dennis, George Malek, Shih Yung Tong | 1983-12-06 |