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Patents Granted on 1931-06-30
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,811,876Jun. 30, 1931E.P. BullardVertical Spindle Machine Toolmultiple spindle lathes
1,811,916Jun. 30, 1931A.G. CarterBand saw wheelbandsaws
1,811,982Jun. 30, 1931J.A. SoustreKnife adapted for multiple uses and comprising a monkey wrenchcombination cork extractors
1,812,369Jun. 30, 1931R.O. Beardsley, R.W. PorterProjecting Mechanism and Gear Staging Devicegear measuring machines
1,812,479Jun. 30, 1931P.R. HahnemannSheet metal working machinesheet metal
1,812,585Jun. 30, 1931J.G. CollinsEngine stand
1,812,685Jun. 30, 1931E. CheshireComposing room machineprinter
1,812,748Jun. 30, 1931A. KayserDynamo electric machineelectric motors
1,812,755Jun. 30, 1931F.M. QuinslerPower driven plane
1,812,820Jun. 30, 1931J.M. BurdickT-shaped Lever for Levercapsbench planes
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