Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429752 | Pneumatic motor for rock drills and the like | Louis H. LeBlanc, Jr. | 1984-02-07 |
| 4402383 | Drill motor enclosure | — | 1983-09-06 |
| 4377213 | Dual bushing centralizer | James F. Ordway | 1983-03-22 |
| 4340121 | Pneumatic rock drills | Louis H. LeBlanc, Jr. | 1982-07-20 |
| 4206820 | Striking bar | Louis H. LeBlanc, Jr. | 1980-06-10 |
| 4194579 | Drilling apparatus and method | James F. Ordway | 1980-03-25 |