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John Turner
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Newcastle, WA, US
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last 30 patents
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Patent Grant
All-conditions tunnel boring machine
Patent number
7,832,960
Issue date
Nov 16, 2010
The Robbins Company
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E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
ALL-CONDITIONS TUNNEL BORING MACHINE
Publication number
20100148566
Publication date
Jun 17, 2010
Lok Home
E21 - EARTH DRILLING MINING