| Patents Granted on 1920-11-30 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,360,368 | Nov. 30, 1920 | G.N. Coburn | Screw holding screwdriver | screwdriver blades |
| 1,360,482 | Nov. 30, 1920 | J.B. Wiard | Dynamo-electric machine | electric motors |
| 1,360,483 | Nov. 30, 1920 | J.B. Wiard | Dynamo-electric machine | motor cooling |
| 1,360,484 | Nov. 30, 1920 | J.B. Wiard | Method of and apparatus for casting | foundryman |
| 1,360,564 | Nov. 30, 1920 | E. Newell | Band-saw guide-disk | bandsaw guides |
| 1,360,972 | Nov. 30, 1920 | C. Napier | Metal-sawing machine | metal cutting bandsaws |
