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Patents for George O. G. Coale
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
195,877Oct. 09, 1877D.F. BarberImprovement in Countersinkscountersinks
206,851Aug. 13, 1878H.W. AtwaterImprovement in Clampsclamps
299,334May 27, 1884J.G. BlountChuckwood lathe chucks
644,430Feb. 27, 1900W. JohnsonCenter Gagecenter marking gauges
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