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Patents for John C. Perkins
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
277,034May 08, 1883W.E. HillSteam-enginesawmill feed works
330,974Nov. 24, 1885A.L. Blumenberg, A. FriedmannCorkscrewT corkscrews and other straight corkscrews
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