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James E. Armstrong
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Crosby, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Installation and removal of top drive units
Patent number
5,921,329
Issue date
Jul 13, 1999
Sundowner Offshore Services, Inc.
James E. Armstrong
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gumbo removal
Patent number
5,794,722
Issue date
Aug 18, 1998
Sundowner Offshore Services, Inc.
James E. Armstrong
E21 - EARTH DRILLING MINING
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Patent Grant
Leg structure for jack-up platform with single point jacking
Patent number
4,160,538
Issue date
Jul 10, 1979
Pool Company
James E. Armstrong
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Modular section mast
Patent number
4,134,237
Issue date
Jan 16, 1979
Pool Company
James E. Armstrong
E04 - BUILDING