Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9267539 | Mud motor bearing assembly and method | Gunther HH von Gynz-Rekowski, William Christian Herben | 2016-02-23 |
| 7882904 | Adjustable bent housing apparatus and method | Gunther HH von Gynz-Rekowski, William Christian Herben | 2011-02-08 |