All Patents in class 236/34.5


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All Patents in class 236/34.5
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	14,160	Jan. 29, 1856	H. Knowles	Mortising tool
	1,791,572	Feb. 10, 1931	I. Ornberg	Cooling System for Internal Combustion Engines