Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659202 | Steerable fluid hammer | Randy R. Runquist | 2003-12-09 |
| 6588516 | Method and apparatus for directional boring under mixed conditions | Randy R. Runquist, James Richard Rankin, Rene Albert | 2003-07-08 |
| 6516899 | Method and apparatus for directional boring under mixed conditions | Steven W. Wentworth, Robert F. Crane, Randy R. Runquist | 2003-02-11 |