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Patents Granted on 1921-__-__
Patents 1 - 15 of 285
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D56,895Jan. 04, 1921G.E. SharpWrenchautomotive specialty wrenches
1,364,324Jan. 04, 1921J. SiakelSandpapering-machinebelt sanders
1,364,361Jan. 04, 1921G.W. EmrickDrill-chuckdrill chucks
1,364,534Jan. 04, 1921F.L. WalterGagemetal lathe accessories
1,364,869Jan. 11, 1921E.R. DraverLiquid-feed regulator
1,364,925Jan. 11, 1921H.F. FischerDetachable Milling Head for Shapersmetal shaper accessories
1,364,937Jan. 11, 1921O.R. KirkpatrickMonkey Wrenchquick adjust wrenches
1,365,071Jan. 11, 1921W.A. AbeggSocket Wrenchsocket wrenches
1,365,203Jan. 11, 1921A.H. StarrettTool maker's button
1,365,297Jan. 11, 1921E.K. BatesOffset mechanism for sawmill-carriagessawmill carriages
1,365,468Jan. 11, 1921J.F. DubyValve Spring Liftervalve spring tools
1,365,484Jan. 11, 1921I. GreenwaldMicrometermicrometers
1,365,547Jan. 11, 1921N. TeslaFlow-Meter
D56,945Jan. 18, 1921P. PiotrowskiWrenchwrenches
1,365,991Jan. 18, 1921A.H. HeldenCombined Fixed-Angle Square and Protractorbevels
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