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All Patents in class 451/153
Patents 1 - 15 of 15
Number	Date	Patentee	Title	Type
605,627	Jun. 14, 1898	J. Boyle	Knife-sharpening mechanism for leather-shaving machines	sharpening machines
2,002,666	May 28, 1935	C. Johnson, C.L. Mattison	Abrading or polishing machine	sanding machines
2,106,216	Jan. 25, 1938	A.M. Johnson	Honing machine	honing machines
2,171,271	Aug. 29, 1939	A.M. Johnson	Honing machine	honing machines
2,180,911	Nov. 21, 1939	B.S. Rogers	Universal lawn mower grinder	sharpening machines
2,194,638	Mar. 26, 1940	H.J. Caldwell	Horizontal honing machine	honing machines
2,245,922	Jun. 17, 1941	A.M. Johnson	Horizontal honing machine	honing machines
2,246,199	Jun. 17, 1941	H.J. Caldwell	Horizontal honing machine	honing machines
2,247,479	Jul. 01, 1941	H.J. Caldwell	Honing machine	honing machines
2,247,502	Jul. 01, 1941	A.M. Johnson	Honing machine	honing machines
2,322,346	Jun. 22, 1943	H.J. Caldwell	Honing machine	honing machines
2,377,272	May 29, 1945	E.Y. Seborg	Honing machine	honing machines
2,397,814	Apr. 02, 1946	H.J. Caldwell, S.F. Manning, E.Y. Seborg	Honing machine	honing machines
2,671,292	Mar. 09, 1954	E.Y. Seborg, H.J. Caldwell	Control Mechanism for Honing Machines	machine tool controls
2,797,531	Jul. 02, 1957	E.Y. Seborg	Honing machine with automatic gaging device	honing machines

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