Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856701 | Rolling cone drill bit having high density cutting elements | Gary R. Portwood, Luca Tedeschi, Giampaolo Ferrari, John Clunan, Allen D. White | 2018-01-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856701 | Rolling cone drill bit having high density cutting elements | Gary R. Portwood, Luca Tedeschi, Giampaolo Ferrari, John Clunan, Allen D. White | 2018-01-02 |