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Forrest A. Scearce
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Houston, TX, US
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last 30 patents
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Patent Grant
Oil based packer fluids
Patent number
4,528,104
Issue date
Jul 9, 1985
NL Industries, Inc.
Roy F. House
E21 - EARTH DRILLING MINING
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Patent Grant
Thermal insulation method
Patent number
4,258,791
Issue date
Mar 31, 1981
NL Industries, Inc.
Israel M. Brandt
E21 - EARTH DRILLING MINING