All Patents in class 346/32


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All Patents in class 346/32
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,690,517	Nov. 06, 1928	C.J. Brown, C.H. Wilson	Electrical controller and recorder
	3,239,759	Mar. 08, 1966	R.R. O'Hara	Automatic Rebalancing Measuring System Having Auxiliary Actuated Indicator Zero Return Means