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All Patents in class 91/181
Patents 1 - 4 of 4
First set of recordsLast set of records
128,062Jun. 18, 1872C.W. PattenImprovment in Rotary Steam-Enginesrotary steam engines
414,045Oct. 29, 1889E. HuberSteam Enginesteam traction engines
2,620,631Dec. 09, 1952J.A. DentonControl mechanism for lumber edger press rollerssawmill accessories
2,791,885May 14, 1957B. SassenHydraulic tracer control
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