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All Patents in class 415/1
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
94	Nov. 28, 1836	J. Ingham	Reacting Rotary Steam Engine	rotary engines
1,977,036	Oct. 16, 1934	G.A. Biggs	Hydraulic Turbine	turbine water wheels

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