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Patents Granted on 1920-09-??
Patents 1 - 15 of 31
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NumberDatePatenteeTitleType
1,351,804Sep. 07, 1920K.E. SolbergMeasuring Calipersindicating calipers
1,351,908Sep. 07, 1920A.F. HoweSafety-guard for rotary grinding machinesbench or pedestal grinders
1,351,941Sep. 07, 1920E. ChalletSliding Calipersmeasuring calipers
1,351,969Sep. 07, 1920H.W. Schatz, A.E. Robinson, A.M. SosaFeeding Mechanism for Metal Working Machinerymetalworking machine mechanisms
1,351,970Sep. 07, 1920H.W. Schatz, A.E. Robinson, A.M. SosaFeeding Mechanism for Metal Working Machinerymetalworking machine mechanisms
1,351,998Sep. 07, 1920W.F. FolmerPhotographic Film Sheathfilm and plate holders
1,352,140Sep. 07, 1920C. NapierTempered blademaking sawblades
1,352,150Sep. 07, 1920E. SchneiderRecorder for Fluid Pressure Presseshydraulic presses
1,352,183Sep. 07, 1920C.M. ConradsonCarriage Bed for Lathesengine lathes
1,352,313Sep. 07, 1920R. PrewAugertapered reamers
1,352,380Sep. 07, 1920G.W. PrisbreyPortable Metal Turning Latheportable turning tools
1,352,512Sep. 14, 1920Saw
1,352,581Sep. 14, 1920A.A. ClarkeHandle attachment for surface-treating machines
1,352,582Sep. 14, 1920A.A. ClarkeSurface-treating device
1,352,583Sep. 14, 1920A.A. ClarkeSurface-treating machinedrum sanders
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