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| Patents Granted on 1941-01-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,229,176 | Jan. 21, 1941 | O.A. Kehle | Oiler for air tools | pneumatic tools | |
| 2,229,466 | Jan. 21, 1941 | C.L. Mattison | Sanding machine | sanding machines | |
| 2,229,606 | Jan. 21, 1941 | E.S. Hineline | Photographic Camera Having Self-Capping Shutter Mechanism, Etc. | cameras | |