Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603391 | Phase shifters, interrogators, methods of shifting a phase angle of a signal, and methods of operating an interrogator | David K. Ovard | 2003-08-05 |
| 6600905 | Communication system, interrogators and communication methods | David K. Ovard | 2003-07-29 |