Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10378281 | Passively induced forced vibration rock drilling system | Gilles Pelfrene, Kenyon Y. Ripple | 2019-08-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10378281 | Passively induced forced vibration rock drilling system | Gilles Pelfrene, Kenyon Y. Ripple | 2019-08-13 |