Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694430 | Subscriber unit for wireless digital subscriber communication system | David N. Critchlow, Graham M. Avis, Wade L. Heimbigner, Karle J. Johnson, George Alan Wiley | 1997-12-02 |