Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393106 | Telephone answering device which records voice message of third party caller | Joseph M. Cannon | 2002-05-21 |
| 6381330 | False tone detect suppression using multiple frame sweeping harmonic analysis | — | 2002-04-30 |
| 6370236 | Remotely operable telephone answering device and method of operation thereof | Joseph M. Cannon, Arupratan Gupta | 2002-04-09 |
| 6366670 | Call related information receiver unit | Paul Joseph Davis, Vasu Iyengar, James Charles Popa, Glenn A. Ehrich | 2002-04-02 |
| 6353664 | Caller ID equipment which displays location of caller | Joseph M. Cannon, Richard L. McDowell | 2002-03-05 |
| 6335962 | Apparatus and method for grouping and prioritizing voice messages for convenient playback | Syed S. Ali, Joseph M. Cannon, Joseph A. Sopko | 2002-01-01 |
| 6295340 | Speech coding selection based on call related information | Joseph M. Cannon, Vasu Iyengar | 2001-09-25 |
| 6292543 | Apparatus and method which saves call related information when the status of recorded voice message is changed remotely | Joseph M. Cannon, Richard L. McDowell | 2001-09-18 |
| 6269159 | Conferencing with a calling party | Joseph M. Cannon | 2001-07-31 |
| 6269257 | Adaptive paging signal in cordless telephone | Joseph M. Cannon, Philip D. Mooney | 2001-07-31 |
| 6243459 | Telephone with adaptive speed dial mechanism | Joseph M. Cannon, Jalil Fadavi-Ardekani | 2001-06-05 |
| 6229889 | Robust signaling tone frequency measurement | Joseph M. Cannon, Paul Joseph Davis | 2001-05-08 |
| 6215860 | Elastic buffer for data storage with speech data | Glenn A. Ehrich, Richard M. Ubowski | 2001-04-10 |
| 6104582 | Storm alert automatic system power-down | Joseph M. Cannon | 2000-08-15 |
| 6038291 | Call forwarding via a 2-line phone | Joseph M. Cannon, Paul Joseph Davis, Scott W. McLellan | 2000-03-14 |
| 6026152 | Ring count controlled by incoming call related information | Joseph M. Cannon | 2000-02-15 |
| 5943407 | Performance enhancement of tone detection and FSK detection using hybrid echo cancellation | Paul Joseph Davis, Vasu Iyengar, James Charles Popa, Richard M. Ubowski | 1999-08-24 |