Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131007 | Digital voter for multiple site PST R trunking system | Thomas A. Brown, Charles L. Derenge, Vicki J. Teel, Houston H. Hughes, III | 1992-07-14 |
| 5131010 | Voice guard digital voter for multiple site PST RF trunking system | Charles L. Derrenge | 1992-07-14 |
| 5113413 | Voter arrangement for multiple site PST RF trunking system | Thomas A. Brown, Charles L. Derenge, Houston H. Hughes, III, Craig F. Szczutkowski, Vicki J. Teel | 1992-05-12 |