Patents for Daniel Rupert Porter


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Patents for Daniel Rupert Porter
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	CA-35,548	Dec. 02, 1890	D.R. Porter	Wrench
	CA-41,437	Dec. 30, 1892	D.R. Porter	Wrench
	556,834	Mar. 24, 1896	D.R. Porter	Pipe Wrench
	CA-56,225	Jun. 10, 1897	D.R. Porter	Pipe-Wrench