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Patents for John E. McLain
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,141,675	Jun. 01, 1915	M.A. Yeakley	Anti-friction bearing
	1,143,874	Jun. 22, 1915	M.A. Yeakley	Trolley retriever or safety device
	1,146,834	Jul. 20, 1915	M.A. Yeakley	Trolley-catcher

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