Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7142537 | Interface call signaling protocol | William N. Shores, Barbara DeSutter, Thomas Hallin, Robert J. Thomas | 2006-11-28 |
| 5950132 | Method and apparatus for providing communication services for communication system users having variable speed | Peter J. Armbruster, Ken Sowles | 1999-09-07 |
| 5774806 | Method and system for dynamically balancing ring alert and attach-detach registration traffic | Daniel R. Tayloe, Kenneth Lee Sowles | 1998-06-30 |
| 4540958 | Zero if frequency-modulator | John G. Vaal | 1985-09-10 |
| 4485558 | Fillet weld gauge | Goodwin A. Lycan | 1984-12-04 |