| Patents Granted on 1939-02-21 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| GB-501,109 | Feb. 21, 1939 | H.W. Kearns | Improvements in and relating to journal bearings in machine tools | metalworking machine bearings |
| 2,147,888 | Feb. 21, 1939 | F.W. Gaines, III | Holder for Wire Drawing Dies | forging dies |
| 2,147,891 | Feb. 21, 1939 | C.L. Schulte, A.J. Graf | Tomatic Infeed Centerless Grinder | grinding machines |
| 2,147,893 | Feb. 21, 1939 | F.S. Haas | Grinding Machine | grinding machines |
| 2,147,945 | Feb. 21, 1939 | P.S. Russel, A.G. Hann | Control Device | flow controls |
| 2,148,061 | Feb. 21, 1939 | A.N. Emmons | Abrading machine | sanding machines |
| 2,148,156 | Feb. 21, 1939 | A. Hagopian | Combined Parallel Work Support and Clamp | machinist vises |
| 2,148,214 | Feb. 21, 1939 | A.W. Mall | Vibrating machine | |
| 2,148,227 | Feb. 21, 1939 | A.K. Antonsen | Starting System | diesel engines |
| 2,148,241 | Feb. 21, 1939 | F.J. Lapointe | Broaching machine | broaching machines |
| 2,148,293 | Feb. 21, 1939 | W.F. Groene | Tool Mechanism for Lathes | metalworking machine mechanisms |
| 2,148,326 | Feb. 21, 1939 | H.J. Siekmann | Combined Clutch and Brake Device | metalworking machine mechanisms |
| 2,148,348 | Feb. 21, 1939 | W.F. Groene, H.J. Siekmann | Turret lathe | turret lathes |
| 2,148,349 | Feb. 21, 1939 | H.J. Siekmann, W.F. Groene | Orbital Lathe Feed Mechanism | metalworking machine mechanisms |
| 2,148,350 | Feb. 21, 1939 | W.F. Groene, W.R. Meyer | Crankshaft chuck | crankshaft lathes |
