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All Patents in class 123/90.15
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
557,496	Mar. 31, 1896	J.F. Duryea	Engine or Motor
1,542,476	Jun. 16, 1925	C.E. Sargent	Internal Combustion Engine	internal combustion engines

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