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Patents for Frank O. Hoagland
Patents 1 - 15 of 22
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NumberDatePatenteeTitleType
1,323,276Dec. 02, 1919F.O. HoaglandMetal Working Machine and Methodmetalworking machines
1,323,279Dec. 02, 1919F.O. HoaglandBarrel Straightening Mechanismmetal straightening machines
1,323,280Dec. 02, 1919F.O. HoaglandLimit Gagelimit gages
1,326,865Dec. 30, 1919F.O. HoaglandMilling Cuttermilling machine tools
1,332,398Mar. 02, 1920F.O. HoaglandVisemetalworking machine vises
1,383,629Jul. 05, 1921F.O. HoaglandSurface Platesurface plates
1,383,630Jul. 05, 1921F.O. HoaglandCombined Tool Holder and Cutterlathe tool holders and tool posts
1,423,112Jul. 18, 1922F.O. HoaglandOil Cupoil or grease fittings
1,434,699Nov. 07, 1922F.O. HoaglandLead Gauge for Threadsthread gages
1,570,251Jan. 19, 1926F.O. HoaglandCollet and collet mechanismcollets and collet holders
1,632,600Jun. 14, 1927F.O. HoaglandInternal Grinding Machineinternal grinders
1,664,745Apr. 03, 1928F.O. HoaglandFluid Pumpoil pumps
1,669,873May 15, 1928F.O. HoaglandSnap Gaugesnap gages
1,695,762Dec. 18, 1928F.O. HoaglandBacking-Off Device for Cutters Having Angularly Disposed Teethbacking off lathes
1,743,604Jan. 14, 1930F.O. HoaglandAdapter for Segmental Abrasive Wheelsgrinder wheels
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