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Jeffrey S. Schweitzer

Schlumberger Technology: 2 patents #8 of 104Top 8%
📍 Ridgefield, CT: #5 of 47 inventorsTop 15%
🗺 Connecticut: #155 of 1,954 inventorsTop 8%
Overall (1989): #24,292 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4883956 Methods and apparatus for gamma-ray spectroscopy and like measurements Charles L. Melcher, Ralph A. Manente 1989-11-28
4810876 Logging apparatus and method for determining absolute elemental concentrations of subsurface formations Peter Wraight, Russel C. Hertzog, Darwin V. Ellis, Hubert D. Scott, James A. Grau 1989-03-07