Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6879668 | System and method for communicating with an out of service telephone number | Peter Neuwald, Nancy Book, Thomas Joseph McBlain, Carol Shifrin Gruchala | 2005-04-12 |
| 6850605 | Method of billing in an abbreviated dialing service | Dianna Tiliks, Carol Shifrin Gruchala, Susanne Marie Crockett, Nancy Book, John Wesley Moss +3 more | 2005-02-01 |