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Patents for Franklin L. Hamlen
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	307,187	Oct. 28, 1884	Z.T. Furbish, F.L. Hamlen	Ratchet Screw-Driver
	315,137	Apr. 07, 1885	F.L. Hamlen, Z.T. Furbish	Ratchet Screw-Driver

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