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| Patents for William Quinby | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-65,360 | Dec. 15, 1899 | J.C. Gifford | Pipe Wrench | chain and strap wrenches | |
| 667,852 | Feb. 12, 1901 | F.E. Sands | Pipe Wrench | chain and strap wrenches | |