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All Patents of Type: boring bars
Patents 1 - 15 of 28
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
1,034,723Aug. 06, 1912A.C. Schuerrmann, H. MuellerTool-retaining device for boring-barsboring bars
1,034,724Aug. 06, 1912H. MuellerTool-shankboring bars
1,144,795Jun. 29, 1915E.C. SchmelzkopfBoring Barboring bars
1,769,230Jul. 01, 1930H.H. ManningRotary cutterboring bars
1,868,440Jul. 19, 1932E.A. ArpBoring machine and methodautomotive tools
1,881,993Oct. 11, 1932E.A. ArpTool attachment deviceautomotive tools
1,906,241May 02, 1933E.A. ArpMethod and apparatus for predetermining the size of rebored cylindersautomotive tools
RE18,832May 16, 1933E.A. ArpTool attachment deviceautomotive tools
1,954,034Apr. 10, 1934E.A. ArpEqualizing boring guideautomotive tools
2,276,462Mar. 17, 1942H.F. BrownBoring chuckmetal lathe accessories
2,330,692Sep. 28, 1943C.B. De VliegBoring toolboring bars
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