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Patents for Thomas R. Pickering
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
36,621Oct. 07, 1862T.R. PickeringImproved centrifugal governorsteam engine governors
50,624Oct. 24, 1865T.R. PickeringGovernorsteam engine governors
185,188Dec. 12, 1876T.R. PickeringShaft-Hangersindustrial machine shaft hangers
318,289May 19, 1885T.R. PickeringSafety Attachment for Steam Engine Governorssteam engine governors
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