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Patents Granted on 1931-04-14
Patents 1 - 12 of 12
First set of recordsLast set of records
1,800,264Apr. 14, 1931G.H. RempesTool socket
1,800,307Apr. 14, 1931F.W. Marschke, W.A. MarschkeSwing grinder
1,800,338Apr. 14, 1931C.A. ChapmanFiberboard Planefiberboard planes
1,800,341Apr. 14, 1931J.D. DaviesRotary abrasive machinehandheld sanders
1,800,447Apr. 14, 1931O.P. FroeschlPlierspliers
1,800,450Apr. 14, 1931O.K. HillCut-off sawing machinecircular crosscut saws
1,800,572Apr. 14, 1931N.C. SimonsenMounting for oil gauges and the like
1,800,805Apr. 14, 1931B.D. PinkneySanding machinesanding machines
1,800,982Apr. 14, 1931F.H. Mussler, E.C. BullardHydraulic Change Speed Gear Mechanismmetalworking machine mechanisms
1,801,035Apr. 14, 1931R.L. CarterShaping machinecutters
1,801,103Apr. 14, 1931E.S. MummertSump-drain pump
1,801,244Apr. 14, 1931L.E. BloodMachine for producing wooden blocksmatchers
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