Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755263 | Underground drilling device and method employing down-hole radar | Kevin L. Alft, Gregg Austin, Hans Kelpe | 2004-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755263 | Underground drilling device and method employing down-hole radar | Kevin L. Alft, Gregg Austin, Hans Kelpe | 2004-06-29 |