Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008809 | Bent housing drilling motor with counter-rotating lower end | Gunther HH von Gynz-Rekowski, William Christian Herben, Donald M. Sawyer, Roger Fincher | 2021-05-18 |
| 10960193 | Swiveling tattoo needle | — | 2021-03-30 |