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Patents for Dumore Co.
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
1,859,068	May 17, 1932	C.H. Beach	Electric Grinder
2,188,251	Jan. 23, 1940	J.H. Nelson	Preload adjustment for ball bearings	grinders
2,449,764	Sep. 21, 1948	G.G. Bluemink	Brush holder	motor brush holders
2,868,090	Jan. 13, 1959	D.S. McCullough	Attachment for Internal Keyway Cutting and Slotting	milling machine accessories

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