Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10036240 | Drillhead assembly with chambered sonde housing | Michael D. Lubrecht, James M. Doesburg | 2018-07-31 |
| 9915141 | System and method for installing casing in a blind horizontal well | Michael D. Lubrecht, James M. Doesburg, James W. Ditto | 2018-03-13 |