| Patents Granted on 1939-09-12 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| CA-383,970 | Sep. 12, 1939 | W.C. Tucker | Shearing machine device | metal shearing machines |
| 2,172,561 | Sep. 12, 1939 | F.P. Kruse | Wrench | torque wrenches |
| 2,172,823 | Sep. 12, 1939 | A. Von Wangenheim | Control Device | temperature controls |
| 2,172,981 | Sep. 12, 1939 | G.F. Maglott | Fluid Pressure Driving and Reversing Mechanism | surface grinders |
| 2,172,999 | Sep. 12, 1939 | W.G. Hoelscher | Electrically Controlled Automatic Lathe | automatic lathes |
| 2,173,074 | Sep. 12, 1939 | M. Romaine | Broaching Tool | broaches |