Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5764492 | Radio device with radio shielding and method of manufacture | Roger W. Ady, William R. Groves, Larry J. Zibrik, Van Winston Oler | 1998-06-09 |
| 4310884 | Microcomputer-controlled portable satellite signal simulator for exploration systems, and method of use | F. Alexander Roberts, William V. Stiles, John Duncan | 1982-01-12 |