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All Patents in class 83/631
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	52,810	Feb. 27, 1866	J.F. Allen	Improved apparatus for punching
	138,201	Apr. 22, 1873	J.J. Safely	Portable Punches
	2,047,322	Jul. 14, 1936	R.T. Hazelton	Shears for Sheet Metal
	5,056,375	Oct. 15, 1991	K. Kapton, S.O. Sutton, B.D. Wixey	Spindle adjustment mechanism

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