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Patents for John S. Barnes (deceased, estate of)
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,030,562	Feb. 11, 1936	P.R. Guirl, H. Barnes (executrix), J.S. Barnes (deceased, estate of)	Metal Working Apparatus
	2,114,284	Apr. 19, 1938	J.S. Barnes (deceased, estate of), H. Barnes (executrix), E.J. Svenson, P.R. Guirl	Machine Tool and Control Therefor
	RE20,974	Jan. 10, 1939	J.S. Barnes (deceased, estate of), P.R. Guirl	Metal Working Apparatus

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