RR

Richard A. Rosthal

Schlumberger Technology: 3 patents #11 of 364Top 4%
🗺 California: #1,948 of 26,868 inventorsTop 8%
Overall (2005): #17,905 of 245,428Top 8%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6969994 Directional electromagnetic measurements insensitive to dip and anisotropy Gerald N. Minerbo, Dzevat Omeragic 2005-11-29
6937021 Method and apparatus for determining the presence and orientation of a fraction in an earth formation 2005-08-30
6933726 Apparatus and methods for reducing borehole current effects Kuo-Chiang Chen, Robert C. Smith, Gary A. Hazen, Charles G. Kibbe, Thomas D. Barber +2 more 2005-08-23