Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698535 | Floating offset transmitter housing underground directional drilling tool | Bruce Heims | 2004-03-02 |
| 6050350 | Underground directional drilling steering tool | Bruce Heims | 2000-04-18 |
| 5918914 | Sealing lock joint pipe fitting | — | 1999-07-06 |