Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085253 | Tong assembly with door position sensors | John D. Hooker, II, Karsten Heidecke, Bjoern Thiemann, Michael Wiedecke | 2021-08-10 |
| 11078733 | Apparatus and methods for determining operational mode of tong assembly | Jan Rothe, Frank Wern | 2021-08-03 |