All Patents in class 188/281


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All Patents in class 188/281
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	350,954	Oct. 19, 1886	N. Tesla	Regulator for Dynamo-Electric Machines
	1,205,818	Nov. 21, 1916	E.E. Thomas	Dash-pot
	1,609,843	Dec. 07, 1926	E.B. Stimpson	Noise eliminator for machines
	1,870,428	Aug. 09, 1932	E.B. Stimpson	Noise eliminator