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Patents for Francis G. Echols
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	731,870	Jun. 23, 1903	F.G. Echols	Indexing Mechanism
	731,871	Jun. 23, 1903	F.G. Echols	Friction Indexing Mechanism
	731,872	Jun. 23, 1903	F.G. Echols	Motor Mechanism

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