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Patents Granted on 1923-11-20
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,474,404Nov. 20, 1923I.A. ChurchTool Holdertool handles
1,474,438Nov. 20, 1923E.A. MullerTurret Head for Machine Toolsvertical turret lathes
1,474,525Nov. 20, 1923B.P. GravesAdjustable Support for Workholdersmilling machines
1,474,679Nov. 20, 1923V.G. LutzHand drill provided with a speed-changing devicehand drills
1,475,024Nov. 20, 1923G.A. MorganTraffic signal
1,475,066Nov. 20, 1923A.T. GeegoryMicrometer Gaugemicrometers
1,475,153Nov. 20, 1923H. AthenasPortable electric combination drillhandheld power drills
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