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| Patents for Joseph A. Robbins | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 211,259 | Jan. 07, 1879 | J.A. Robbins | Improvement in planing-saws | |
 | 211,346 | Jan. 14, 1879 | J.A. Robbins, I.C. Bumpus | Improvement in saws | |
 | 214,389 | Apr. 15, 1879 | W.S. Hill | Improvement in circular saws | |
 | 214,390 | Apr. 15, 1879 | W.S. Hill | Improvement in circular saws | |