All Patents in class 415/33


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All Patents in class 415/33
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,865,502	Jul. 05, 1932	G.A. Biggs	Hydraulic Turbine
	1,897,834	Feb. 14, 1933	G.A. Biggs	Hydraulic Turbine
	1,962,384	Jun. 12, 1934	G.A. Biggs	Apparatus for Adjusting Hydraulic Turbine Runners