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| Patents for James F. Guthrie Jr. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 320,872 | Jun. 23, 1885 | J.F. Guthrie, Jr. | Pipe Wrench | |
 | 359,722 | Mar. 22, 1887 | J.F. Guthrie, Jr. | Improvement In Pipe-Wrenches | |
 | 384,971 | Jun. 26, 1888 | J.F. Guthrie, Jr. | Spring Dividers | |
 | 411,807 | Oct. 01, 1889 | J.F. Guthrie, Jr. | Flange Wrench | |