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All Patents in class 279/6
Patents 61 - 75 of 102
Number	Date	Patentee	Title	Type
2,120,638	Jun. 14, 1938	J.R. Yotta	Boring Head	boring heads
2,177,820	Oct. 31, 1939	H.F. Brown	Boring Chuck	boring heads
2,276,462	Mar. 17, 1942	H.F. Brown	Boring chuck	boring heads
2,302,869	Nov. 24, 1942	A.S. Jewell	Tool Holder	drilling and boring tool holders
2,305,737	Dec. 22, 1942	J.H. Richards	Boring Attachment for Milling Machines	milling machine tools
2,357,062	Aug. 29, 1944	H.C. Stoll	Angle Plate for Lathes	angle bars and angle plates
2,429,685	Oct. 28, 1947	F.P. Healy	Chuck for crankshaft grinders	crankshaft grinders
2,442,444	Jun. 01, 1948	H.E. Tautz	Boring head	boring heads
2,459,416	Jan. 18, 1949	A.H. Davis	Adapter for boring bars	boring bars
2,460,092	Jan. 25, 1949	G.L. Binns, C.W. Lacey	Boring Head for Machine Tools	boring heads
2,460,689	Feb. 01, 1949	H.C. Gillette	Boring Head	boring heads
2,483,152	Sep. 27, 1949	G. Reisinger	Boring Tool Holder	drilling and boring tool holders
2,489,719	Nov. 29, 1949	H.E. Myers	Boring Head With Facing Feed	boring heads
2,490,117	Dec. 06, 1949	A.H. Davis	Adjustable boring bar	boring bars
2,517,908	Aug. 08, 1950	C.E. Miller	Work Spindle With Eccentric Work Support	metalworking machine mechanisms

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