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Charles Ledet
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Huntsville, TX, US
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last 30 patents
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Patent Grant
Dual seal packer for corrosive environments
Patent number
4,903,777
Issue date
Feb 27, 1990
Baker Hughes, Incorporated
Henry J. Jordan
E21 - EARTH DRILLING MINING
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Patent Grant
Equipment insert and method
Patent number
4,600,058
Issue date
Jul 15, 1986
Hughes Tool Company
Richard A. Van Wormer
E21 - EARTH DRILLING MINING