Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929075 | Automated bore planning system for horizontal directional drilling | Kevin L. Alft, Fred G. Delonti, Christopher Dean Rettig | 2005-08-16 |
| 6749029 | Automated bore planning method and apparatus for horizontal directional drilling | Kevin L. Alft, Fred G. Delonti, Christopher Dean Rettig | 2004-06-15 |
| 6577954 | Automated bore planning method and apparatus for horizontal directional drilling | Kevin L. Alft, Fred G. Delonti, Christopher Dean Rettig | 2003-06-10 |
| 6389360 | Automated bore planning method and apparatus for horizontal directional drilling | Kevin L. Alft, Fred G. Delonti, Christopher Dean Rettig | 2002-05-14 |