Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927657 | Wellbore drilling with a top drive device | Pieter Dirk Melis Van Duivendijk, Diederick Bernardus Wijning, Jasper Hendrik Frank Bakker, Joop Roodenburg, Adriaan Van Swieten | 2021-02-23 |