All Patents in class 83/578


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All Patents in class 83/578
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	1,216,669	Feb. 20, 1917	J. Dudley	Hacksaw-machine
	1,274,820	Aug. 06, 1918	C.E. Van Auken	Duplex Oscillating Saw
	1,277,786	Sep. 03, 1918	C.E. Van Auken	Duplex Saw
	3,153,360	Oct. 20, 1964	E.I. Coulon	Apparatus for Slotting the Ends of Tubing