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Patents for Empire Works (Concord, NH)
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	152,033	Jun. 16, 1874	A. Bean	Improvement in portable furnaces
	155,359	Sep. 29, 1874	A. Bean	Improvement in planing-machines
	298,056	May 06, 1884	A. Bean	Combination scroll saw, bandsaw, circular saw

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