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Patents for Benjamin F. Hall
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	682,613	Sep. 17, 1901	B.F. Hall	Die and die-holder for punching-machines
	682,686	Sep. 17, 1901	B.F. Hall	Punching-machine
	706,552	Aug. 12, 1902	B.F. Hall	Punching-machine

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