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Patents for Mary H. Blevney
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
309,187Dec. 16, 1884J.C. BlevneyMachine for pulverizing ores, &c.
309,188Dec. 16, 1884J.C. BlevneyMachine for pulverizing ores, &c.
309,189Dec. 16, 1884J.C. BlevneyMachine for pulverizing ores, &c.
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