Robert G. Stapleton

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Determining saturation and permeability using mercury capillary pre...
- Patent number 4,625,544
- Issue date Dec 2, 1986
- Shell Oil Company
- Herbert Hi-Hwa Yuan
- G01 - MEASURING TESTING
Information Patent Grant
Centrifugal analyzer
- Patent number 4,567,373
- Issue date Jan 28, 1986
- Shell Oil Company
- Joseph D. O'Meara
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic sensor
- Patent number 4,212,201
- Issue date Jul 15, 1980
- Shell Oil Company
- John M. Hirsch
- G01 - MEASURING TESTING