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All Patents in class 415/119
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	11,511	Aug. 08, 1854	S.W. Ruggles	Fan-blower
	2,056,517	Oct. 06, 1936	B.M. Guthrie	Fan or Blower
	2,083,996	Jun. 15, 1937	T.G. Jonn	Centrifugal fan

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