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| Patents for James F. Guthrie | |||||
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| Number | Date | Patentee | Title | Type | |
| 310,818 | Jan. 13, 1885 | J.F. Guthrie | Pipe Wrench | pipe wrenches | |
| CA-21,185 | Feb. 28, 1885 | J.F. Guthrie | Pipe Wrench | pipe wrenches | |
| GB-188,506,601 | May 30, 1885 | J.F. Guthrie, H.H. Lake | Wrenches | pipe wrenches | |