Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5812591 | Dual conversion GPS frequency converter and frequency plan for same | Paul K. Shumaker, Gary L. Burrell | 1998-09-22 |
| 5111150 | Precision phase shift system | — | 1992-05-05 |