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| Patents for J. B. Holderby | |||||
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| Number | Date | Patentee | Title | Type | |
| 217,195 | Jul. 08, 1879 | C.M. Powers, G.W. Bennum | Combination Tool | combination tools | |
| 234,646 | Nov. 23, 1880 | I.N. Arment | Opener For Cans and Bottles | combination cork extractors | |