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Patents Granted on 1923-02-27
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-229,008Feb. 27, 1923J.F. DubyValve Spring Liftervalve spring tools
1,446,557Feb. 27, 1923L.E. GodfriauxLathemetal lathes
1,446,647Feb. 27, 1923K. HirtschulzMarking toolindustrial tools
1,446,829Feb. 27, 1923G.W. Drake, E.P. BurrellTurret Clamping Mechanism for Turret Lathesmetalworking machine mechanisms
1,446,907Feb. 27, 1923J. KreciszPlow Planeplane fences
1,446,926Feb. 27, 1923J.W. ParkerMicrometermicrometers
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