Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7120451 | Method for optimizing home location register queries in a wireless communication system | Anjana Agarwal, John Matthew Gafrick, Mark Alan McCormick | 2006-10-10 |
| 7010301 | Apparatus, method and system for mobile wireless communication hand-off utilizing ISDN multiway capabilities | Eugene William Foster | 2006-03-07 |
| 6810120 | Method of determining answer supervision at a line appearance of a public switch telephone network | Michael J. Elder, Joseph Kott, Raymond L. Ruggerio, Jane Ann Thompson, Robin Jeffrey Thompson | 2004-10-26 |
| 6801773 | Apparatus, method and system for mobile wireless communication hand-off utilizing shared directory numbers and multiway capabilities | Eugene William Foster | 2004-10-05 |
| 6799040 | Apparatus, method and system for mobile wireless communication hand-off utilizing shared directory numbers | Eugene William Foster | 2004-09-28 |
| 6501952 | Apparatus, method and system for mobile wireless communication hand-off utilizing directed call pick-up with barge-in | Eugene William Foster | 2002-12-31 |
| 5646978 | Method and apparatus for providing interswitch handover in personal communication services systems | Russell D. Klem | 1997-07-08 |