Rolf Dirdal

DA Den Norske Stats Oljeselskap A.S.: 1 patents #6 of 12Top 50%

📍 Sola, NO: #1 of 4 inventorsTop 25%

Overall (2003): #131,723 of 273,478Top 50%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6631763	Method and system for testing a borehole by the use of a movable plug	John Self	2003-10-14