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Patents for Watson N. Sprague
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	157,424	Dec. 01, 1874	W.N. Sprague	Improvement in machines for making wooden shanks for boots and shoes
	RE6,828	Dec. 28, 1875	W.N. Sprague	Improvement in machines for making wooden shanks for boots and shoes

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