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Patents for Barnes Drill Co.
Patents 46 - 60 of 144
Number	Date	Patentee	Title	Type
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
2,255,583	Sep. 09, 1941	C.O. Holland	Honing machine	honing machines
2,263,878	Nov. 25, 1941	A.M. Johnson	Honing machine	honing machines
2,268,028	Dec. 30, 1941	W.M. Fairbairn	Honing machine	honing machines
2,270,590	Jan. 20, 1942	A.M. Johnson	Honing machine	honing machines
2,271,768	Feb. 03, 1942	A.M. Johnson	Honing machine	honing machines
2,279,462	Apr. 14, 1942	E.F. Lundeen, R.T. Brokaw, C.O. Holland	Combined drilling and tapping machine
2,287,085	Jun. 23, 1942	H.J. Caldwell	Honing machine	honing machines
2,294,184	Aug. 25, 1942	A.M. Johnson	Honing machine	honing machines
2,315,794	Apr. 06, 1943	A.M. Johnson	Method of and apparatus for honing	honing machines
2,322,346	Jun. 22, 1943	H.J. Caldwell	Honing machine	honing machines

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