All Patents in class 261/152


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All Patents in class 261/152
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
523,511	Jul. 24, 1894	H. Campbell	Oil Engine	oil engines
559,290	Apr. 28, 1896	E. Kaselowsky	Vaporizer for Petroleum Engines	carburetors