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Vernon B. Cameron
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Mason, OH, US
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last 30 patents
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Patent Grant
Mine shaft liner plate system and method
Patent number
8,795,777
Issue date
Aug 5, 2014
Contech Engineered Solutions LLC
Darrell J. Sanders
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
MINE SHAFT LINER PLATE SYSTEM AND METHOD
Publication number
20140356072
Publication date
Dec 4, 2014
Darrell J. Sanders
E21 - EARTH DRILLING MINING
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Patent Application
MINE SHAFT LINER PLATE SYSTEM AND METHOD
Publication number
20120213590
Publication date
Aug 23, 2012
Darrell J. Sanders
E21 - EARTH DRILLING MINING