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Patents for M. Gertrude Ady
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
944,002Dec. 21, 1909T.B. Williams, F.L. SmithValve-disk-cutting machineautomotive tools
980,019Dec. 27, 1910F.L. Smith, T.B. WilliamsValve-disk-cutting machine
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