Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871036 | Hybrid drill bit and design method | Anton F. Zahradnik, Don Q. Nguyen, Matthew J. Meiners, Karlos B. Cepeda, Michael S. Damschen +3 more | 2020-12-22 |
| 10689911 | Roller cone earth-boring rotary drill bits including disk heels and related systems and methods | Justin Papke Shields, Robert E. Grimes | 2020-06-23 |