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| Patents for R. C. Tracht | |||||
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| Number | Date | Patentee | Title | Type | |
| D31,940 | Dec. 05, 1899 | F.A. Smith | Design for a Jaw For Pipe Wrenches | wrench jaw components | |
| 655,312 | Aug. 07, 1900 | T.E. Smythe | Wrench | pipe wrenches | |