Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6283702 | Drill rod loader | David Hoover | 2001-09-04 |
| 5778987 | Guided drilling system with shock absorber | Gregory Baiden, Donald D. Young, Lambertus H. Van Berkel, David Hoover | 1998-07-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6283702 | Drill rod loader | David Hoover | 2001-09-04 |
| 5778987 | Guided drilling system with shock absorber | Gregory Baiden, Donald D. Young, Lambertus H. Van Berkel, David Hoover | 1998-07-14 |