Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807267 | Method and system for providing enhanced caller identification information for subscribers that interface via private trunk groups | Dianna Tiliks, Susanne Marie Crockett, Carol Shifrin Gruchala, Nancy Book | 2004-10-19 |
| 6792089 | System and method for generating call records based on account codes | Dianna Tiliks, Carol Shifrin Gruchala, Susanne Marie Crockett, Nancy Book, William Moy | 2004-09-14 |
| 6785372 | Method and apparatus for providing prepaid local telephone services in metered states | Dianna Tiliks, Gordon Lynn Blumenschein, James Daniel Kovarik | 2004-08-31 |
| 6766003 | Method and system for providing enhanced caller identification | Thomas Joseph McBlain | 2004-07-20 |
| 6741693 | Method of operating a virtual private network | Pitsa Madoch, Wayne Robert Heinmiller, Christopher Michael LeBeau, Dianna Tiliks, Walter Martin Malinowski | 2004-05-25 |