Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833795 | Underground utility detection system and method employing ground penetrating radar | Dennis J. Johnson, Eugene Bogatyrev | 2004-12-21 |
| 6755263 | Underground drilling device and method employing down-hole radar | Brian John Bischel, Gregg Austin, Hans Kelpe | 2004-06-29 |
| 6749029 | Automated bore planning method and apparatus for horizontal directional drilling | Fred G. Delonti, Christopher Dean Rettig, Paul A. Cartwright | 2004-06-15 |
| 6751553 | Utility mapping and data distribution system and method | Gary Young | 2004-06-15 |
| 6719069 | Underground boring machine employing navigation sensor and adjustable steering | Gregory W. Draper, Hans Kelpe | 2004-04-13 |