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James W. Sigourney
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Purcellville, VA, US
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last 30 patents
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Patent Grant
Soil reinforcement system with adjustable connection system for con...
Patent number
5,002,436
Issue date
Mar 26, 1991
Schnabel Foundation Company
James W. Sigourney
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Adjustable connection system for precast facing panel and soldier pile
Patent number
4,913,594
Issue date
Apr 3, 1990
Schnabel Foundation Company
James W. Sigourney
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING