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| Patents for R. R. Davison | |||||
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| Number | Date | Patentee | Title | Type | |
| 672,654 | Apr. 23, 1901 | N.B. Keyes, W.F. Hobbs, E.N. Sperry | Pliers | pliers | |
| 672,673 | Apr. 23, 1901 | E.N. Sperry, W.F. Hobbs | Pliers | pliers | |