| Patents Granted on 1931-11-17 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 1,831,813 | Nov. 17, 1931 | A. Levedahl | Centering guide | handheld power tool accessories |
| 1,832,011 | Nov. 17, 1931 | F.D. Dickas, A.C. Getz | Clutch Mechanism for Lathe Carriages | engine lathes |
| 1,832,220 | Nov. 17, 1931 | M.L. Kerrihard, G.M. Kerrihard | Oil gas burner | furnaces |
| 1,832,487 | Nov. 17, 1931 | J.B. Armitage, E.J. Kearney | Machine Tool | milling machines |
| 1,832,694 | Nov. 17, 1931 | L.F. Nenninger, H. Ernst | Auxiliary Manual Means for Actuating Hydraulic Motors | hydraulic apparatus |
