Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407039 | Drill bit | Brett A. Parendo, David Hlavac, Carter A. Gibson | 2022-08-09 |
| 11278970 | Drill bit | Brett A. Parendo, David Hlavac, Weijie Wu, Gang Huang | 2022-03-22 |
| 11273501 | Step drill bit | Brett A. Parendo, Richard Hohnl, Jr., David Hlavac, Ingolfur Ludviksson, Max R. Sawa +1 more | 2022-03-15 |