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Schooner Petroleum Services, Inc.
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of use of a high pressure solid removal system
Patent number
RE41556
Issue date
Aug 24, 2010
Schooner Petroleum Services, Inc.
Richard Harvey McGee
210 - Liquid purification or separation
Information
Patent Grant
High pressure solid removal system
Patent number
6,893,558
Issue date
May 17, 2005
Schooner Petroleum Services, Inc.
Richard Harvey McGee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Large particulate removal system
Patent number
6,766,856
Issue date
Jul 27, 2004
Schooner Petroleum Services, Inc.
Richard Harvey McGee
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
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last 30 trademarks