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All Patents in class 416/168A
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
1,931,158	Oct. 17, 1933	G.A. Biggs	Hydraulic Turbine	turbine water wheels
1,948,478	Feb. 20, 1934	G.A. Biggs	Hydraulic Turbine	turbine water wheels
1,950,775	Mar. 13, 1934	G.A. Biggs	Hydraulic Turbine	turbine water wheels

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