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All Patents in class 236/68A
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	187,513	Feb. 20, 1877	E.E. Colby	Improvement in bridges
	1,981,313	Nov. 20, 1934	E.J. Dillman, L.W. Eggleston	Thermostatically Operated Valve
	2,042,217	May 26, 1936	L.W. Eggleston	Heating System and Control Means Therefor
	2,061,537	Nov. 17, 1936	L.W. Eggleston	Regulator for Heating Apparatus

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