Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317488 | Call waiting-caller identification notification device | Gaylan Larson | 2001-11-13 |
| 6208731 | Multisensing circuitry for class signals and stutter dial tone in visual message waiting indicator | Gaylan Larson, Greg Neal, David Yewell | 2001-03-27 |
| 5825852 | Multisensing circuitry for class signals and stutter dial tone in visual message waiting indicator | Gaylan Larson, Greg Neal, David Yewell | 1998-10-20 |