Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992646 | Horizontal offline stand building system | Roman Vakulin | 2011-08-09 |
| 7967540 | Vertical offline stand building and manipulating system | George (Guo Qiang) Hu | 2011-06-28 |
| 7967541 | Apparatus for handling and racking pipes | William John Stroshein, David Louis Richard, Leon Keith Jantzen, Imad Assaf | 2011-06-28 |