RR

Richard A. Rosthal

Schlumberger Technology: 2 patents #7 of 116Top 7%
🗺 California: #1,124 of 13,957 inventorsTop 9%
Overall (1994): #21,916 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5339037 Apparatus and method for determining the resistivity of earth formations Stephen D. Bonner, Abdullah A. Bagersh 1994-08-16
5329448 Method and apparatus for determining horizontal conductivity and vertical conductivity of earth formations 1994-07-12