| Patents Granted on 1940-02-20 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 2,190,839 | Feb. 20, 1940 | J. Jensen | Bending Brake | sheet metal brakes |
| 2,190,858 | Feb. 20, 1940 | A.F. Bennett | Lubricating Device for Machine Tools | milling machines |
| 2,190,899 | Feb. 20, 1940 | F.J. Vierling | Gauge | depth gauges |
| 2,190,911 | Feb. 20, 1940 | K.W. Nebel | Portable shear | metal shearing machines |
| 2,190,920 | Feb. 20, 1940 | R.V. Hanchett | Power operated saw swage | saw sharpening machines |
| 2,190,953 | Feb. 20, 1940 | I.F. Smith | Jack | automobile and truck jacks |
| 2,190,967 | Feb. 20, 1940 | H.W. Zimmerman | Torque measuring wrench | torque wrenches |
| 2,190,988 | Feb. 20, 1940 | E.K. Johansen | Duplicating Machine | milling machines |
| 2,191,131 | Feb. 20, 1940 | M.E. Martellotti | Backlash Eliminator | metalworking machine mechanisms |
| 2,191,137 | Feb. 20, 1940 | W. Trible | Headstock Positioning Mechanism | grinding machines |
| 2,191,155 | Feb. 20, 1940 | C.L. Mattison | Pulley supporting device | |
| 2,191,347 | Feb. 20, 1940 | W.F. Groene, H.J. Siekmann | Crankshaft lathe | crankshaft lathes |
| 2,191,410 | Feb. 20, 1940 | W.F. Ocenasek | Jigsaw blade support and work hold-down | scrollsaws |
