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All Patents in class 279/156
Patents 1 - 15 of 25
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NumberDatePatenteeTitleType
221,746Nov. 18, 1879J.N. SkinnerLathe Chuckmetal lathe chucks
339,595Apr. 06, 1886C.E. StoneDrill Chuckdrill chucks
1,188,667Jun. 27, 1916L.M. LymburnerLathe attachmentmetal lathe accessories and attachments
1,353,043Sep. 14, 1920J.E. HultbergTool handle
1,812,455Jun. 30, 1931B.F. StowellDiaphragm chuckgrinders
1,858,693May 17, 1932C.E. Van NormanChuckchucks
1,863,108Jun. 14, 1932J.C. GlenzerTool Holderdrilling and boring tool holders
1,883,713Oct. 18, 1932C.B. GrayTool Holdermetalworking machine tool holders
2,120,198Jun. 07, 1938R.G. Anderson, J.Y. BlazekValve grindervehicle mechanic
2,122,360Jun. 28, 1938G.A. Highberg, H.E. SloanChuckmetal lathe chucks
2,182,411Dec. 05, 1939J.A. Scully, B.F. RosenbergTool Holderdrilling and boring tool holders
2,289,583Jul. 14, 1942F.J. MaloneTool Holdermetalworking machine tool holders
2,310,259Feb. 09, 1943H.W. RuppelStock feed for automatic screw machinesscrew machines
2,351,232Jun. 13, 1944S. SchnabolkStud setting and removal toolstud drivers
2,413,068Dec. 24, 1946R.S. PyneDiaphragm chuckcylindrical grinders
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