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All Patents in class 451/170
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
445,349	Jan. 27, 1891	W. Bauch	Lens Grinding Machine	glass grinding machines
1,701,814	Feb. 12, 1929	W.J. Maddox	Edge and spindle sander	belt sanders
2,197,538	Apr. 16, 1940	G.W. Binns, A.H. Dall	Metal Finishing Machine	grinding machines
2,302,026	Nov. 17, 1942	H.C. Weimar, B.P. Graves	Machine Tool

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