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All Patents in class 475/230
Patents 1 - 4 of 4
First set of recordsLast set of records
250,955Dec. 13, 1881F. OgdenGear for Traction Enginespropulsion components
477,057Jun. 14, 1892F. KittenGearing for Traction Enginespropulsion components
1,042,405Oct. 29, 1912B. CoxTraction Enginepropulsion components
1,421,834Jul. 04, 1922J. RossDifferentialinternal combustion traction engines
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