Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079430 | Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of off-center drilling | Thorsten Schwefe, Chad J. Beuershausen | 2011-12-20 |