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Patents for H. H. Butler
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
946,399Jan. 11, 1910H.E. RhoadsShaper and Planermetal shapers
970,209Sep. 13, 1910B.W. Fresko, A. FreskoWrenchratchet wrenches
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