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Patents for Betts Machine Co.
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
219,307Sep. 02, 1879J. RichardsMicrometer Gagemicrometers
222,736Dec. 16, 1879G. RichardsMachines for Grinding the Sector of Circles
239,969Apr. 12, 1881J.B. MatthewsFeed Motion for Metal Planing Machinesmetalworking machine mechanisms
436,755Sep. 16, 1890F.H. EasbyMechanism for Producing Intermitting Motion
493,471Mar. 14, 1893A. BettsDrilling Machinehorizontal boring mills
612,783Oct. 18, 1898G.W. MoretonBoring and Turning Mill
684,944Oct. 22, 1901G.W. MoretonBoring and Turning Mill
1,327,356Jan. 06, 1920S.W. Putnam, 3dTailstock-clamping mechanismmetal lathes
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