PH

Per Helgerud

GA Geco As: 1 patents #13 of 53Top 25%
WL Westerngeco L.L.C.: 1 patents #231 of 486Top 50%
Overall (All Time): #2,117,306 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7658161 System for depth control of a marine deflector Rune Toennessen, Emmanuel Keskes, Eskild Storteig, Vahid Moosavi, Philippe Saint-Pere 2010-02-09
5548562 Method for synchronization of systems for seismic surveys, together with applications of the method Helge Bragstad 1996-08-20