| Patents Granted on 1923-03-20 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 1,448,745 | Mar. 20, 1923 | C.B. Jahnke, F.G. Hobart | Movable Oil Injector | fuel injection apparatus |
| 1,448,775 | Mar. 20, 1923 | C.A. Trump | Plane with Detachable Handle | plane handles |
| 1,448,787 | Mar. 20, 1923 | J.J. Buck | Clapboard Square | squares |
| 1,448,807 | Mar. 20, 1923 | C.D. McDonald, J.E. McCullough | Die-press mechanism | |
| 1,448,859 | Mar. 20, 1923 | A.J. Parkhurst | Antiskid device | |
| 1,448,895 | Mar. 20, 1923 | H.A. Yotta | Tool | screwdriver mechanisms |
| 1,448,966 | Mar. 20, 1923 | J. Kigas | Floor and surfacing machine | sanding machines |
| 1,449,007 | Mar. 20, 1923 | G.M. Kerrihard | Oil burner | furnaces |
| 1,449,015 | Mar. 20, 1923 | K. Schenkel | Band sawing machine | bandsaws |
| 1,449,083 | Mar. 20, 1923 | P.L. Billingsley | Mortising device | mortising machines |
| 1,449,084 | Mar. 20, 1923 | P.L. Billingsley | Mortising device | mortising machines |
| 1,449,317 | Mar. 20, 1923 | E.J. Fager, Jr. | Moving-arm radial arm saw | radial arm saws |
| 1,449,361 | Mar. 20, 1923 | W.M. Wink | Portable boring machine | wood drilling and boring |
