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Patents for Harry E. Keithley
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	3,699,882	Oct. 24, 1972	H.E. Keithley, R.A. Helrigel	Knockout bar assembly for presses
	3,878,706	Apr. 22, 1975	G.C. Berry, H.E. Keithley	Knockout arrangement for presses

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