Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668946 | Backreamer | Richard K. Smith, Jr., Peter C. Rozendaal, Randy R. Runquist, Scott Rempe | 2003-12-30 |
| 6588516 | Method and apparatus for directional boring under mixed conditions | Randy R. Runquist, Mark Van Houwelingen, Rene Albert | 2003-07-08 |
| 6554082 | Apparatus and method for controlling an underground boring machine | Brian John Bischel | 2003-04-29 |