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All Patents in class 123/18R
Patents 1 - 9 of 9
First set of recordsLast set of records
79,803Jul. 14, 1868J.S. BardenRotary Steam Enginesrotary steam engines
103,212May 17, 1870H.E. LongRotary Steam Enginesteam engines
128,062Jun. 18, 1872C.W. PattenImprovment in Rotary Steam-Enginesrotary steam engines
129,635Jul. 16, 1872W.I. WeedImprovment in Rotary Enginesrotary steam engines
370,258Sep. 20, 1887F.W. Crossley, H.P. HoltGas Motor Enginegas and gasoline engines
417,471Dec. 17, 1889W.E. CristGas Enginegas and gasoline engines
487,313Dec. 06, 1892D.S. Covert, S. WithersGas Enginegas and gasoline engines
506,817Oct. 17, 1893D.D. HobbsGas Enginegas and gasoline engines
2,389,764Nov. 27, 1945T.L. ChardOscillatory engine
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