| Patents Granted on 1931-01-13 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 1,788,475 | Jan. 13, 1931 | C.E. Van Norman | Feed mechanism for grinding machines | grinders |
| 1,788,535 | Jan. 13, 1931 | N.F. McNaught, E.H. Peterson | Socket-wrench kit | wrench set holders |
| 1,788,574 | Jan. 13, 1931 | W.G. Hagmaier, E.C. Shaw | Edger | circular ripsaws |
| 1,788,652 | Jan. 13, 1931 | P.E. Butzin, W.K. Andrew | Clamping Device | milling machine accessories |
| 1,788,663 | Jan. 13, 1931 | I.P. De May | Foldable guard for jointer machines | jointers |
| 1,788,761 | Jan. 13, 1931 | H. Ernst | Machine Tool Drive | metalworking power transmission |
| 1,788,918 | Jan. 13, 1931 | D.C. Klausmeyer | Power traverse for radial drill heads | radial drill presses |
| 1,789,005 | Jan. 13, 1931 | E.T. Larkin | Drip Pan for Carburetors | carburetors |
| 1,789,125 | Jan. 13, 1931 | C.G. Wilderson | Cutoff gauge for saws | |
| 1,789,191 | Jan. 13, 1931 | G.M. Richard | Belt-lacing hook | belts, belt lacing and belt lacers |
