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Patents Granted on 1923-11-20
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,474,438Nov. 20, 1923E.A. MullerTurret Head for Machine Toolsvertical turret lathes
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 drills
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