Patents for John C. Hofer


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Patents for John C. Hofer
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	78,740	Jun. 09, 1868	J.C. Hofer	Improvement in coopers' croze
	91,634	Jun. 22, 1869	W. Hofer	Improvement in screw-driver