Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7636431 | Method and apparatus for subscriber control of an inbound call | L. Lloyd Williams | 2009-12-22 |
| 6282194 | Transit trunk subnetwork system | Julian Francis Cheesman, Cristian Constantinof, Kim Holmes | 2001-08-28 |
| 6141342 | Apparatus and method for completing inter-switch calls using large trunk groups | Julian Francis Cheesman, Cristian Constantinof | 2000-10-31 |