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Patents for Willard A. Clarke
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
270,743Jan. 16, 1883W.A. ClarkeExhaust-nozzle for steam-enginessteam engines
270,744Jan. 16, 1883W.A. ClarkeCut-off valvesteam safety valves
270,875Jan. 16, 1883W.A. ClarkeSteam-engine cylindersteam engine cylinders
272,648Feb. 20, 1883W.A. ClarkeReversing-gear for steam-enginessteam engines
278,223May 22, 1883W.A. ClarkeWater-gagegauges
286,906Oct. 16, 1883W.A. ClarkeTraction-enginesteam traction engines
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