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Morris James Medd
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London, CA
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last 30 patents
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Patent Grant
Forming a shaft for an underground mine
Patent number
8,591,151
Issue date
Nov 26, 2013
Technological Resouces Pty. Ltd.
Rocky Lynn Webb
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
FORMING A SHAFT FOR AN UNDERGROUND MINE
Publication number
20120318581
Publication date
Dec 20, 2012
Rocky Lynn Webb
E21 - EARTH DRILLING MINING