| Patents Granted on 1939-12-19 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,183,543 | Dec. 19, 1939 | C.W. Cherry | Rivet and Method of Applying the Same | rivets |
| 2,183,650 | Dec. 19, 1939 | G.L. Gundersen, E. Klafstad | Relief Valve | steam safety valves |
| 2,183,743 | Dec. 19, 1939 | C.A. Hoefer | Multiple Spindle Machine Tool | multiple spindle drill presses |
| 2,183,854 | Dec. 19, 1939 | W.S. Landon | Control Device | flow controls |
| 2,183,868 | Dec. 19, 1939 | F.A. Kavan | Water distributor for ice boxes | ice boxes and refrigerators |
| 2,184,011 | Dec. 19, 1939 | R.E. Flanders | Grinding Machine | grinder dressers |
