Assignee

CRAWFORD DON L

US·1 granted patent·29 citations·filing 2006–2006

Technology mixE21B1 F42B1 F42D1

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0179US8230946B2Apparatus and methods for sidewall percussion coring using a voltage activated igniterCRAWFORD DON L·Filed 2006·Granted Jul 31, 2012·29 cites·12 claims

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