| Patents Granted on 1939-08-__ |
Patents 1 -
15
of 41
      |
| Number | Date | Patentee | Title | Type |
| 2,167,720 | Aug. 01, 1939 | W.C. Kress | Torque Indicating Wrench | torque wrenches |
| 2,167,745 | Aug. 01, 1939 | H. Davids | Internal Combustion Engine | diesel engines |
| 2,167,748 | Aug. 01, 1939 | S.C. Gebert | Variable Speed Gear Transmission | industrial machine gearing |
| 2,167,755 | Aug. 01, 1939 | F.O. Hoagland | Bench Lathe | metal lathes |
| 2,167,758 | Aug. 01, 1939 | W.M. Fairbairn, A.M. Johnson | Method and machine for honing cylindrical surfaces | honing machines |
| 2,167,845 | Aug. 01, 1939 | W. Klocke | Extrusion process and apparatus | extruding machines and dies |
| 2,167,890 | Aug. 01, 1939 | P.S. Jackson | Hydraulic Machine Tool | hydraulic apparatus |
| 2,167,897 | Aug. 01, 1939 | H.W. Kulp | Valve Unit or Valve Guide Puller | valve guide pullers |
| 2,167,948 | Aug. 01, 1939 | K.T. Schledorn, C. Herfurth | Cambering Mechanism for Grinding Machines | grinding machines |
| 2,167,987 | Aug. 01, 1939 | A.W. Mall | Vibrator | |
| 2,168,126 | Aug. 01, 1939 | H.J. Kane | Pipe Vise | pipe and chain vises |
| 2,168,162 | Aug. 01, 1939 | J.R. Jackson | Tool Post and Holder | lathe tool holders and tool posts |
| 2,168,168 | Aug. 01, 1939 | C. Matthael | Closing Device for Belt Fasteners | belts, belt lacing and belt lacers |
| 2,168,257 | Aug. 01, 1939 | D.L. Farmer | Clamp | bar and pipe clamps |
| 2,168,282 | Aug. 01, 1939 | H.E. Tautz | Circular saw | tablesaws |
