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All Patents of Type: boring bars
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,330,692Sep. 28, 1943C.B. De VliegBoring toolboring bars
2,537,517Jan. 09, 1951C.B. De VliegMetal cutting toolboring bars
2,654,610Oct. 06, 1953H.R. De VliegOffset boring headboring bars
2,793,547May 28, 1957M.L. Benjamin, F.E. WinnenAdjustable bit boring barboring bars
2,849,902Sep. 02, 1958C.B. De Vlieg, A.N. SweenyPresetting boring bar and tool holderboring bars
2,901,935Sep. 01, 1959A.P. Keller, Jr., I.C. SimonFacing headsmilling machine cutters
3,044,323Jul. 17, 1962A.N. SweenyAdjustable boring headboring bars
3,169,416Feb. 16, 1965E. Carlson, F.H. BurkhardtBoring head and method of using sameboring bars
3,217,569Nov. 16, 1965A.N. SweenyMetal cutting toolboring bars
3,292,238Dec. 20, 1966C.B. De Vlieg, A.N. SweenyAdjustable cutting toolboring bars
3,313,187Apr. 11, 1967M.L. Benjamin, D.D. WalkerBoring bar insertboring bars
3,338,117Aug. 29, 1967C.B. De Vlieg, A.N. SweenyAdjustable cutting tool and method of making the sameboring bars
3,349,648Oct. 31, 1967W.S. HollowayAdjustable boring toolboring bars
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