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| Patents for Jas. E. Knight | |||||
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| Number | Date | Patentee | Title | Type | |
| 460,474 | Sep. 29, 1891 | C.E. Salisch, O. Knapp | Wrench | ratchet wrenches | |
| 574,513 | Jan. 05, 1897 | J.A. Barker | Wrench | screw adjust wrenches | |
| 648,766 | May 01, 1900 | R. MacKay | Pipe Wrench | chain and strap wrenches | |