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All Patents in class 123/90.15
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
557,496Mar. 31, 1896J.F. DuryeaEngine or Motor
1,542,476Jun. 16, 1925C.E. SargentInternal Combustion Engine internal combustion engines
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