Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670906 | Method for determining accurately coordinates of a GPR antenna relative to a fixed reference | Roger Roberts | 2003-12-30 |
| 6518915 | Impulse radar security system | Dennis J. Johnson | 2003-02-11 |