Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885738 | Method of and apparatus for establishing a wideband communication facility through a switched communications network having narrow bandwidth time division multiplexed channels | Thomas E. Bowers, Alan E. Frey, Larry Arnise Russell, Roger E. Stone | 1989-12-05 |
| 4748653 | Toll fraud control override | — | 1988-05-31 |
| 4704716 | Method and apparatus for establishing a wideband communication facility through a communication network having narrow bandwidth channels | Thomas E. Bowers, Alan E. Frey, Larry Arnise Russell, Roger E. Stone | 1987-11-03 |
| 4577065 | Meet-me conference arrangement | Alan E. Frey | 1986-03-18 |
| 4460807 | Conference routing arrangement | David F. Winchell | 1984-07-17 |
| 4446336 | Method for recording and updating stored messages in an announcement system | Leslie D. Bethel, Frances B. Strebendt, John E. Waninski, Jr. | 1984-05-01 |