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| Patents for Chas. B. Shumway | |||||
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| Number | Date | Patentee | Title | Type | |
| 448,451 | Mar. 17, 1891 | G.W. Miller | Jaws For Clamping Tools | pliers | |
| 678,637 | Jul. 16, 1901 | W.A. Bernard | Nippers, Pliers, etc. | pliers | |
| 678,959 | Jul. 23, 1901 | J.P. Lavigne | Pipe-Wrench | quick adjust wrenches | |