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Patents Granted on 1917-04-10
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,221,844Apr. 10, 1917R.B. DowCombined Shaping and Miling Machinerymetal shapers
1,221,984Apr. 10, 1917A.F. FroussardTube Cleanertube cleaning machines
1,222,052Apr. 10, 1917O.S. Walkermagnetic chuckmagnetic chucks
1,222,071Apr. 10, 1917G.H. ClarkSafety Valvesteam safety valves
1,222,102Apr. 10, 1917P.F. HolmgrenTool Holdermetal lathe accessories and attachments
1,222,178Apr. 10, 1917B.T. BrowandTool Holder for Automatic Machineslathe tool holders and tool posts
1,222,188Apr. 10, 1917A.M. Remington, C.C. deAvilaCrosscut-Saw-Tooth Gage
1,222,195Apr. 10, 1917W.M. FogleProcess for Resharpening Saw-Blades
1,222,229Apr. 10, 1917R.L. MapsonValve Releasing Devicevalve spring tools
1,222,315Apr. 10, 1917C.J. ManningPressure Gagevacuum and pressure gauges
1,222,448Apr. 10, 1917R. NelsonTool Holderratchet drills
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