Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43361 | Telecommunications system having separate switch intelligence and switch fabric | Ken Rambo, Carol Waller | 2012-05-08 |
| 6041109 | Telecommunications system having separate switch intelligence and switch fabric | Ken Rambo, Carol Waller | 2000-03-21 |
| 5577113 | Apparatus and method for virtual private telephone line with automatic ring down | Paul M. Bray, Charles P. Shelton | 1996-11-19 |
| 5487110 | Apparatus and method for virtual private telephone line with automatic ring down | Paul M. Bray, Charles P. Shelton | 1996-01-23 |