Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913764 | Return line mounted pump for riserless mud return system | Nils Lennart Rolland, Harald Hufthammer, Roger Sverre Stave | 2011-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913764 | Return line mounted pump for riserless mud return system | Nils Lennart Rolland, Harald Hufthammer, Roger Sverre Stave | 2011-03-29 |