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| Patents Granted on 1921-01-18 | |||||
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| Number | Date | Patentee | Title | Type | |
| D56,945 | Jan. 18, 1921 | P. Piotrowski | Wrench | wrenches | |
| 1,365,779 | Jan. 18, 1921 | T.E. Grove | Indicating Calipers | calipers | |
| 1,365,975 | Jan. 18, 1921 | W.F. Folmer | Loading Device for Cut Films | photographic developing apparatus | |
| 1,365,991 | Jan. 18, 1921 | A.H. Helden | Combined Fixed-Angle Square and Protractor | bevels | |
| 1,366,334 | Jan. 18, 1921 | F.N. Whitesell | Discharge Gate for Storage Receptacles | conveyors and hoppers | |