| Patents Granted on 1939-??-?? |
Patents 1 -
15
of 440
      |
| Number | Date | Patentee | Title | Type |
| 2,142,285 | Jan. 03, 1939 | H. Pelphrey | Hob and Method of Manufacture | gear cutting tools |
| 2,142,303 | Jan. 03, 1939 | R.H. Crouch | Combined cut-off and miter saw | radial arm saws |
| 2,142,697 | Jan. 03, 1939 | H.L. Myers | Rotary surfacing machine | |
| 2,142,863 | Jan. 03, 1939 | W.M. Whitney | Duplex wood shaping machine | wood shapers |
| 2,142,923 | Jan. 03, 1939 | R.P. Stocking | Drill grinding machine | drill grinders |
| RE20,974 | Jan. 10, 1939 | J.S. Barnes (deceased, estate of), P.R. Guirl | Metal Working Apparatus | pipe cutting machines |
| D112,888 | Jan. 10, 1939 | P.A. Sturtevant | Wrench or Similar Article | torque wrenches |
| 2,143,087 | Jan. 10, 1939 | H.V. Rau | Clamp grommet | |
| 2,143,168 | Jan. 10, 1939 | T.V. Pedersen | Speed Control System for Internal Combustion Engines | internal combustion engine governors |
| 2,143,229 | Jan. 10, 1939 | P.S. Russel | Control Device | industrial control apparatus |
| 2,143,255 | Jan. 10, 1939 | P.A. Abe | Lathe | engine lathes |
| 2,143,258 | Jan. 10, 1939 | C.A. Bickel | Cam Making Machine | cam making machines |
| 2,143,460 | Jan. 10, 1939 | H.B. Tuthill, H.F. Caldwell | Knife adjustment in bread slicing machines | |
| 2,143,533 | Jan. 10, 1939 | C.E. Brown, W.D. Archea | Machine Tool | grinding machines |
| 2,143,981 | Jan. 17, 1939 | P.G. Hardin | Universal Hand Saw | |
