Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052370 | System for handling pipes between a pipe rack and a derrick, and also a device for assembling and disassembling pipe stands | Cees Jan Dekker, John H. W. M. Stouten, Erik Zachariasen | 2011-11-08 |