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Roy N. Sonomura
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Hilo, HI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pile grabber apparatus
Patent number
5,304,015
Issue date
Apr 19, 1994
Roy N. Sonomura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method for placing explosives in submerged rock
Patent number
4,159,668
Issue date
Jul 3, 1979
Roy N. Sonomura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus and method for placing explosives in submerged rock
Patent number
4,102,412
Issue date
Jul 25, 1978
Roy N. Sonomura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING