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Patents for Charles A. Oaks
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
282,256Jul. 31, 1883E.F. BarnesImprovements in Pipe-Tongs and Wrench Combinedpipe tongs
282,435Jul. 31, 1883E.F. BarnesPipe Cutterpipe cutters
287,949Nov. 06, 1883A.T. McDonaldSaw-guardwoodworking machine safety guards
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