Inventor · disambiguated record

Jim W. Spearman

Also filed as: SPEARMAN JIM W

0 granted patents·1 pending application·0 citations·filing 2011–2011

Technology areasE21B
Files withBARRILLEAUX MARK FRANCIS1

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1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →