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Patents for David June
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
167,738Sep. 14, 1875O.S. French, D. June, R. BraytonSpark-Arrestertraction engine spark arresters
CA-7,735Aug. 09, 1877O.S. French, D. June, R. BraytonSpark arrester
CA-9,206Sep. 24, 1878R. Brayton, D. June, O.S. FrenchProcede pour Endure les Bouilleurs des Chadierestraction engine boilers
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