Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9261207 | Coupling with anti-rotational element | Michael KIRCHNER | 2016-02-16 |
| 9261208 | Anti-rotation tubular casing connection and threaded pipe connector | Michael KIRCHNER | 2016-02-16 |