Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5465798 | Drill automation control system | Marvin L. Haines | 1995-11-14 | $18,463,000 |
| 5398772 | Impact hammer | — | 1995-03-21 | $8,877,000 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5465798 | Drill automation control system | Marvin L. Haines | 1995-11-14 | $18,463,000 |
| 5398772 | Impact hammer | — | 1995-03-21 | $8,877,000 |