All Patents in class 218/1


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All Patents in class 218/1
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	772,908	Oct. 18, 1904	G.E. Miles, C. Ridderhof	Flashing device for incandescent electric lamps
	1,116,871	Nov. 10, 1914	D.M. Bliss	Method and means for reducing sparking in electrical apparatus