Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689911 | Roller cone earth-boring rotary drill bits including disk heels and related systems and methods | Justin Papke Shields, Rudolf Carl Pessier | 2020-06-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689911 | Roller cone earth-boring rotary drill bits including disk heels and related systems and methods | Justin Papke Shields, Rudolf Carl Pessier | 2020-06-23 |