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

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