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All Patents in class 48/102A
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
15,153Jun. 17, 1856J. TearMethod of operating cutters in their heads for irregular formscutterheads
480,535Aug. 09, 1892G.W. WeatherhoggPetroleum or Similar Engine
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