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Patents for George W. Roosevelt
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
513,377Jan. 23, 1894C. Hager, V. De ZieglerInstrument for Ascertaining Distancessurveyor
600,325Mar. 08, 1898P. TommarchiApparatus for setting saw-teethsaw sets
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