Issued Patents 1989
Showing 1–1 of 1 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 | Alan E. Frey, Howard A. Kerr, Larry Arnise Russell, Roger E. Stone | 1989-12-05 |