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All Patents in class 451/559
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	408,876	Aug. 13, 1889	H.J. Distin	Grinding Tool
	562,678	Jun. 23, 1896	C. Bodmer, J.A. Traut	Machine for Graduating Glasses or Tubes
	686,599	Nov. 12, 1901	E.R. Fellows	Machine for Grinding Gear Generating Cutters
	2,146,195	Feb. 07, 1939	A. Schultz	Lap
	2,160,777	May 30, 1939	H. Ernst, A.H. Dall	Journal Bearing

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