| Patents Granted on 1943-04-20 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,316,777 | Apr. 20, 1943 | W.B. Fell | Machinist's precision level | spirit levels |
| 2,316,836 | Apr. 20, 1943 | A.A. Breuer | Portable suction cleaner | vacuum cleaners |
| 2,316,843 | Apr. 20, 1943 | J.D. Compain | Three Roll Mill for Crushing Sugar Cane and the Like | sugar cane apparatus |
| 2,316,877 | Apr. 20, 1943 | M. Maag | Micrometer Gauge | micrometers |
| 2,317,060 | Apr. 20, 1943 | W.G. Hoelscher | Safety Device for Radial Drill Arm Elevating Screws | metalworking machine mechanisms |
| 2,317,099 | Apr. 20, 1943 | W.F. Groene, H.J. Siekmann | Step threading machine | gunsmith |
