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All Patents in class 408/180
Patents 1 - 15 of 23
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NumberDatePatenteeTitleType
60,430Dec. 11, 1866J.G. SchmidtImprovement in machines for cutting bungs for barrelscooper
150,687May 12, 1874H. Millward, J.L. HallScrew Cutting Machinesscrewcutting lathes
164,953Jun. 29, 1875F. WilligImprovement in Expansible Bitsadjustable drill bits
186,890Jan. 30, 1877A.J. SmartImprovement in screw-cutting diestaps and dies
521,430Jun. 12, 1894A.A. BourgeousBoring-bitdrill bits
881,449Mar. 10, 1908G.A. SmithThread Cutting Devicealligator wrenches
1,018,393Feb. 20, 1912A.B. LandisCutter-headmetal threading machines
1,074,466Sep. 30, 1913C.C. RussellScrew-platetap and die holders
1,130,542Mar. 02, 1915W. RussellScrew-cutting dietaps and dies
1,327,007Jan. 06, 1920G.A. AndersonCutter-headpipe threading machines
1,943,644Jan. 16, 1934W.W. VosperTool Carrierpipe threading machines
2,034,453Mar. 17, 1936H. WienerTool Holdermetalworking machine tool holders
2,093,743Sep. 21, 1937E.C. SteinerBoring Headboring heads
2,269,320Jan. 06, 1942W.C. RosboroughRetractable Tool Holderdrilling and boring tool holders
2,458,753Jan. 11, 1949F.C. WallaceBoring Headboring heads
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