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Wayne Harvey
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Houston, TX, US
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last 30 patents
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Patent Grant
Variable ram packer with strain reduction features
Patent number
9,580,988
Issue date
Feb 28, 2017
Hydril USA Distribution LLC
Julia Anne Bleck
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Variable Ram Packer with Strain Reduction Features
Publication number
20160160599
Publication date
Jun 9, 2016
Hydril USA Distribution LLC
Julia Anne Bleck
E21 - EARTH DRILLING MINING