| Patents Granted on 1931-10-?? |
Patents 1 -
15
of 47
      |
| Number | Date | Patentee | Title | Type |
| 1,825,719 | Oct. 06, 1931 | S. Einstein | Control Mechanism | machine tool controls |
| 1,825,753 | Oct. 06, 1931 | L.F. Nenninger | Truing Mechanism | grinding machines |
| 1,825,797 | Oct. 06, 1931 | C.W. Hopkins | Grinding Machine | grinding machines |
| 1,825,873 | Oct. 06, 1931 | M.C. Dellinger, H.W. Kulp | Wrist Pin Inserting Tool | automotive tools |
| 1,825,936 | Oct. 06, 1931 | C. Bodmer | Ratchet mechanism | |
| 1,825,986 | Oct. 06, 1931 | L.R. Williamson | Hydraulic column clamp | drill presses |
| 1,825,987 | Oct. 06, 1931 | E.J. Witchger | Radius gauge | special purpose gauges |
| 1,826,459 | Oct. 06, 1931 | K.C. Council | Tool Holder | tool handles |
| 1,826,739 | Oct. 13, 1931 | W.F. Costello | Tool Set and Container Therefor | wrench set holders |
| 1,826,937 | Oct. 13, 1931 | J. Jensen | Anchoring means for portable supports | industrial machine bases |
| 1,826,953 | Oct. 13, 1931 | C.A. Rich | Screw and Similar Machine | screw machines |
| 1,826,983 | Oct. 13, 1931 | R.H. Beebe | Jig-saw | scrollsaws |
| 1,827,055 | Oct. 13, 1931 | H.M. Whitcomb | Doorstop | |
| 1,827,202 | Oct. 13, 1931 | W.F. Klein | Ratchet Wrench | ratchet wrenches |
| 1,827,245 | Oct. 13, 1931 | C.C. Peck, J.F. Lincoln | Arc Welding | welding machines |
