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All Patents of Type: boring bars
Patents 1 - 15 of 22
First set of recordsNext set of recordsLast set of records
108,310Oct. 11, 1870J. WheelockImprovement in boring apparatusboring bars
144,583Nov. 11, 1873J. WheelockImprovement in tool-holders and cutter-heads for boring-barsboring bars
241,719May 17, 1881G.T. ReissBoring Millboring bars
GB-191,118,612Apr. 18, 1912C.W. CrossleyImprovements in boring, grinding and the like machine toolsboring bars
1,144,795Jun. 29, 1915E.C. SchmelzkopfBoring Barboring bars
1,881,993Oct. 11, 1932E.A. ArpTool attachment deviceautomotive tools
RE18,832May 16, 1933E.A. ArpTool attachment deviceautomotive tools
2,276,462Mar. 17, 1942H.F. BrownBoring chuckmetal lathe accessories
2,330,692Sep. 28, 1943C.B. De VliegBoring toolboring bars
2,442,444Jun. 01, 1948H.E. TautzBoring headboring 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
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