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Pieter G. Wybro
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Richmond, TX, US
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last 30 patents
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Patent Grant
Pile supported drilling template
Patent number
5,244,312
Issue date
Sep 14, 1993
Conoco Inc.
Pieter G. Wybro
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Modular near-surface completion system
Patent number
4,762,180
Issue date
Aug 9, 1988
Conoco Inc.
Pieter G. Wybro
E21 - EARTH DRILLING MINING