All Patents in class 415/208.3


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All Patents in class 415/208.3
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	86,469	Feb. 02, 1869	B.F. Sturtevant	Improvement in blowers
	2,611,578	Sep. 23, 1952	G.A. Biggs	Sectionalized Case for Turbines and the Like