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All Patents in class 318/771
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,072,422	Sep. 09, 1913	J. Burke	Electric controlling apparatus
	2,727,215	Dec. 13, 1955	S.S. Brown	Selector switch
	2,785,511	Mar. 19, 1957	J.C. Wilson	Grinding Machine and Method of Operation

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