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| Patents for R. B. Davison | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,894,034 | Jan. 10, 1933 | J.F. Fieg | Screw Head | screws | |
| 1,895,122 | Jan. 24, 1933 | F.K. Benedict | Traveling wheel grinder | grinders | |