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Patents for George Cumming
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	244,437	Jul. 19, 1881	G. Cumming	Riveting-machine
	382,142	May 01, 1888	G. Cumming	Pipe-riveting machine
	386,771	Jul. 24, 1888	G. Cumming	Portable forge

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