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All Patents in class 123/90.15
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberTitleClassification(s)
557,496Engine or Motor112/256, 123/162, 123/196R, 123/346, 123/58.1, 123/90.15, 184/11.1, 184/18, 184/71, 74/587
1,542,476Internal Combustion Engine 123/344, 123/79A, 123/90.15
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