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| Patents for William T. Tredway | |||||
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| Number | Date | Patentee | Title | Type | |
| 722,695 | Mar. 17, 1903 | C.B. Gracey | Ratchet-Wrench | ratchet wrenches | |
| 768,220 | Aug. 23, 1904 | C.B. Gracey | Ratchet Wrench | ratchet wrenches | |