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Steve N. PERSALL
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San Jose, CA, US
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last 30 patents
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Patent Grant
Underwater load-carrier
Patent number
8,997,678
Issue date
Apr 7, 2015
Lockheed Martin Corporation
Ralph Spickermann
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Application
UNDERWATER LOAD-CARRIER
Publication number
20130206049
Publication date
Aug 15, 2013
Lockheed Martin Corporation
Ralph SPICKERMANN
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING