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Patents for May Layden
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,102,700	Jul. 07, 1914	W. Spacke, D.T. Brownlee, F.W. Spacke	Internal-Combustion Engine	internal combustion engine valves
1,108,265	Aug. 25, 1914	W. Spacke, D.T. Brownlee, F.W. Spacke	Internal Combustion Engine	internal combustion engines

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