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Patents for Mary H. Blevney
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	309,187	Dec. 16, 1884	J.C. Blevney	Machine for pulverizing ores, &c.
	309,188	Dec. 16, 1884	J.C. Blevney	Machine for pulverizing ores, &c.
	309,189	Dec. 16, 1884	J.C. Blevney	Machine for pulverizing ores, &c.

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