Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499029 | Wide band stepped frequency ground penetrating radar | Duane Gardner, Douglas Birney Patrick, Tricia A. Lewallen, Sharyn R. Nammath, Kelly D. Painter +1 more | 1996-03-12 |
| 5325095 | Stepped frequency ground penetrating radar | Kenneth Vadnais, Tricia S. Lewallen, Sharyn R. Nammath | 1994-06-28 |