Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317488 | Call waiting-caller identification notification device | Paul F. DePond | 2001-11-13 |
| 6208731 | Multisensing circuitry for class signals and stutter dial tone in visual message waiting indicator | Paul F. DePond, Greg Neal, David Yewell | 2001-03-27 |
| 5825852 | Multisensing circuitry for class signals and stutter dial tone in visual message waiting indicator | Paul F. DePond, Greg Neal, David Yewell | 1998-10-20 |
| D376368 | Voice mail indicator for a telephone system | — | 1996-12-10 |
| 5559873 | Telephone privacy device with conference and indicator features | Samuel F. Wood | 1996-09-24 |