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Patents for Frank P. Pfleghar
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
51,967Jan. 09, 1866W. Schollhorn, F.P. PflegharImprovement in Compasses and Caliperscalipers
773,338Oct. 25, 1904F.P. PflegharTool Holdertool holders
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