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| Patents for J. Gregory | |||||
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| Number | Date | Patentee | Title | Type | |
| 484,634 | Oct. 18, 1892 | I.C. Gray | Ratchet Pipe And Nut Wrench | pipe wrenches | |
| 552,130 | Dec. 31, 1895 | J.C. Larson | Combination Tool | combination tools | |