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All Patents in class 377/22
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,238,363	Apr. 15, 1941	H.A. Hadley	Electrical Impulse Weight Recorder
	2,963,222	Dec. 06, 1960	K.C. Allen	Computing and ticket printing scale
	3,665,169	May 23, 1972	L.E. Miller, R. Zechlin, R.M. Henderson	Electronic Measuring Unit

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