Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8923499 | Apparatus and method for providing enhanced telecommunications services | Keith A. Liljestrand, Christopher G. Kingsley | 2014-12-30 |
| 6853714 | Apparatus and method for providing enhanced telecommunications services | Keith A. Liljestrand, Christopher G. Kingsley | 2005-02-08 |