Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890597 | Drill bits and tools for subterranean drilling including rubbing zones and related methods | Thorsten Schwefe | 2018-02-13 |
| 9309723 | Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of directional and off center drilling | Thorsten Schwefe | 2016-04-12 |