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| Patents Granted on 1940-11-19 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,221,918 | Nov. 19, 1940 | E.A. Hall, K.R. Bohn | Valve Grinding Machine | valve grinding tools | |
| 2,222,165 | Nov. 19, 1940 | R.R. Finn, R.O. Beardsley | Comparator | comparators | |
| 2,222,274 | Nov. 19, 1940 | A.K. Antonsen | Fuel System for Internal Combustion Engines | fuel primers | |