Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9074431 | Rolling cone drill bit having high density cutting elements | Gary R. Portwood, Luca Tedeschi, Giampaolo Ferrari, John Clunan, Allen D. White | 2015-07-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9074431 | Rolling cone drill bit having high density cutting elements | Gary R. Portwood, Luca Tedeschi, Giampaolo Ferrari, John Clunan, Allen D. White | 2015-07-07 |