| Patents Granted on 1939-04-25 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,155,680 | Apr. 25, 1939 | M. Pfauter | Rotary Table for Machine Tools | rotary indexers |
| 2,155,687 | Apr. 25, 1939 | L.L. Schauer | Safety manual and power spindle drive | drill presses |
| 2,155,707 | Apr. 25, 1939 | W.F. Groene | Compound Rest for Lathes | metal lathes |
| 2,155,864 | Apr. 25, 1939 | A.L. Krause | Milling Machine | milling machines |
| 2,155,890 | Apr. 25, 1939 | R.L. Campbell | Heating System | heating apparatus |
| 2,156,153 | Apr. 25, 1939 | W.R. Meyer, H.J. Siekmann, W.F. Groene | Multiple Spindle Vertical Crankshaft Lathe | crankshaft lathes |
| 2,156,157 | Apr. 25, 1939 | C.E. Miller | Stock Controlled Mechanism | automatic lathes |
| 2,156,161 | Apr. 25, 1939 | R.H. Owens | Sealing device | pump stuffing boxes and seals |
