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Justin Papke Shields
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Houston, TX, US
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last 30 patents
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Patent Grant
Roller cone earth-boring rotary drill bits including disk heels and...
Patent number
10,689,911
Issue date
Jun 23, 2020
Baker Hughes, a GE company, LLC
Justin Papke Shields
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
ROLLER CONE EARTH-BORING ROTARY DRILL BITS INCLUDING DISK HEELS AND...
Publication number
20170342775
Publication date
Nov 30, 2017
BAKER HUGHES INCORPORATED
Justin Papke Shields
E21 - EARTH DRILLING MINING