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Patents for W. H. Warren Machine Tool Works
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	116,243	Jun. 20, 1871	W.H. Warren	Improvement in Metal Planers
	130,258	Aug. 06, 1872	W.H. Warren	Improvement in Slotting and Shaping Machines
	453,780	Jun. 09, 1891	W.H. Warren	Radial Drilling Machine

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