All Patents in class 416/147


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All Patents in class 416/147
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,382,535	Aug. 14, 1945	N.T. Bauer	Axial flow fan
2,561,705	Jul. 24, 1951	E. Lochman	Propeller and method of propeller manufacture