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Mark Christopher Haase
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Rijswijk, NL
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Patents Grants
last 30 patents
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Patent Grant
Hybrid well communication system
Patent number
7,256,706
Issue date
Aug 14, 2007
Shell Oil Company
Mark Christopher Haase
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Hybrid well communication system
Publication number
20030020631
Publication date
Jan 30, 2003
Mark Christopher Haase
E21 - EARTH DRILLING MINING