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Patents for D. D. Tennyson
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	141,852	Aug. 19, 1873	W.G. Caldwell	Improvement in machines for edging lumber
	160,003	Feb. 23, 1875	W.G. Caldwell	Improvement in relishing-machines

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