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M. Jane Williamson
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Anchorage, AK, US
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last 30 patents
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Patent Grant
Separator systems for well production fluids
Patent number
5,570,744
Issue date
Nov 5, 1996
Atlantic Richfield Company
Jean S. Weingarten
E21 - EARTH DRILLING MINING
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Patent Grant
Downhole gas-liquid separator for wells
Patent number
5,431,228
Issue date
Jul 11, 1995
Atlantic Richfield Company
Jean S. Weingarten
E21 - EARTH DRILLING MINING
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Patent Grant
Downholde gas/oil separation systems for wells
Patent number
5,343,945
Issue date
Sep 6, 1994
Atlantic Richfield Company
Jean S. Weingarten
E21 - EARTH DRILLING MINING