| Patents Granted on 1931-12-01 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| D85,664 | Dec. 01, 1931 | H.L. Myers | Design for a casing, motor, and handle ensemble for a drum sanding machine | sanding machines |
| 1,833,980 | Dec. 01, 1931 | W.O. Thewes | Pipe cutter | pipe cutters |
| 1,834,034 | Dec. 01, 1931 | E.P. Norton, A.G. Wheeler | Stave planer cutter head | cutterheads |
| 1,834,125 | Dec. 01, 1931 | M.J. Goldberg | Engine Timing Means | fuel injection apparatus |
| 1,834,145 | Dec. 01, 1931 | E.L. Connell | Valve seating counterboring tool | |
| 1,834,158 | Dec. 01, 1931 | G.V. Johnston | Grinding Machine | grinding machines |
| 1,834,181 | Dec. 01, 1931 | J.S. Richardson | Turning machine | wood lathes |
| 1,834,224 | Dec. 01, 1931 | C.D. Salisbury | Internal Combustion Engine | fuel systems |
| 1,834,521 | Dec. 01, 1931 | A.F. Froussard | Shaft Coupling | industrial machine shaft couplings |
| 1,834,627 | Dec. 01, 1931 | B. Lundgreen | Spindle Mounting | grinding machines |
| 1,834,640 | Dec. 01, 1931 | G.S. Peterson | Resistance furnace | |
| 1,834,684 | Dec. 01, 1931 | G.L. Dannehower | Woodworking machine | bandsaws |
| 1,834,716 | Dec. 01, 1931 | J. Kis | Universal Machine Head | milling machine accessories |
