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Patents for George S. Woodruff
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
173,032Feb. 01, 1876E. McCoyImprovement in steam-cylinder lubricatorssteam engine lubricators
179,585Jul. 04, 1876E. McCoyImprovement in steam-cylinder lubricatorssteam engine lubricators
CA-6,665Oct. 19, 1876E. McCoySteam cylinder lubricatorsteam engine lubricators
CA-8,143Nov. 27, 1877G.S. Woodruff, J.C. FisksGas governorsteam engine governors
CA-10,168Jun. 26, 1879G.S. WoodruffImprovements in gas governorssteam engine governors
221,950Nov. 25, 1879G.S. WoodruffGas-governorssteam engine governors
231,344Aug. 17, 1880J.H. NeedlesCombined apparatus for producing illuminating gas and generating steamstationary boilers
CA-11,808Sep. 23, 1880G.S. WoodruffImprovements on gas regulatorssteam engine governors
CA-15,866Nov. 27, 1882J.C. Fisks, G.S. WoodruffGas governorssteam engine governors
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