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Dale Parker
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Rockingham, AU
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Patents Grants
last 30 patents
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Patent Grant
Downhole tool
Patent number
10,590,753
Issue date
Mar 17, 2020
Dale Parker
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Downhole Tool
Publication number
20170260844
Publication date
Sep 14, 2017
Dale Parker
E21 - EARTH DRILLING MINING
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Patent Application
VALVE APPARATUS
Publication number
20130341539
Publication date
Dec 26, 2013
Jim Hughes
E21 - EARTH DRILLING MINING