Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098541 | Polycrystalline-diamond compact air bit | Christopher M. Casad, Thomas A. Damian, Carl Aron Deen, Kristy Everheart, Kerry Sisson | 2021-08-24 |
| 10920497 | No blade bit | Mitchell A. Rothe | 2021-02-16 |