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| Patents for Ithaca Drop Forge Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 432,195 | Jul. 15, 1890 | G.W. Bufford | Pipe Tongs | chain and strap wrenches | |
| 442,306 | Dec. 09, 1890 | G.W. Bufford | Chain Tongs | chain and strap wrenches | |
| 442,569 | Dec. 09, 1890 | G.W. Bufford | Chain-Wrench | chain and strap wrenches | |