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| Patents for F. W. Trabold | |||||
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| Number | Date | Patentee | Title | Type | |
| 697,977 | Apr. 22, 1902 | G.W. Bufford | Pipe-Wrench | pipe wrenches | |
| 743,072 | Nov. 03, 1903 | W.J. Grinden | Pipe Vise | pipe and chain vises | |