Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014378 | Telecommunications tandem system for circuit-based traffic | Joseph Michael Christie, by Joseph S. Christie, legal representative, by Jean M. Christie, legal representative, William L. Wiley, Albert Daniel DuRee +1 more | 2000-01-11 |
| 6002689 | System and method for interfacing a local communication device | Joseph Michael Christie, by Joseph S. Christie, legal representative, by Jean M. Christie, legal representative, William L. Wiley, Albert Daniel DuRee +1 more | 1999-12-14 |
| 5926482 | Telecommunications apparatus, system, and method with an enhanced signal transfer point | Jospeh Michael Christie, Albert Daniel DuRee, William L. Wiley | 1999-07-20 |
| 5583506 | Signal processing system and method | Susan S. Sinor, Vincent S. Zagardo, David B. Fry, Michael D. Vanous, David L. Mowery +4 more | 1996-12-10 |
| 5535200 | Signaling system for a telecommunications network | — | 1996-07-09 |