Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757297 | Rotary drill bits including bearing blocks | Thorsten Schwefe | 2014-06-24 |
| 8459382 | Rotary drill bits including bearing blocks | Thorsten Schwefe | 2013-06-11 |
| 7814997 | Interchangeable bearing blocks for drill bits, and drill bits including same | Thorsten Schwefe | 2010-10-19 |