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Greg Broad
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Mt Pleasant, AU
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last 30 patents
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Patent Grant
Bolter
Patent number
11,781,430
Issue date
Oct 10, 2023
Joy Global Underground Mining LLC
Patrick Ross Willaman
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
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Publication number
20230417141
Publication date
Dec 28, 2023
Joy Global Underground Mining LLC
Patrick Ross Willaman
E21 - EARTH DRILLING MINING
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Patent Application
BOLTER
Publication number
20220106880
Publication date
Apr 7, 2022
Joy Global Underground Mining LLC
Patrick Ross Willaman
E21 - EARTH DRILLING MINING