Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6038291 | Call forwarding via a 2-line phone | Paul Joseph Davis, James A. Johanson, Scott W. McLellan | 2000-03-14 |
| 6026152 | Ring count controlled by incoming call related information | James A. Johanson | 2000-02-15 |
| 5353011 | Electronic article security system with digital signal processing and increased detection range | Richard G. Wheeler, Burton S. Abrams, Stephen J. Casey, Luke C. Chang, Von Ertwine +3 more | 1994-10-04 |