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| Patents for Newton Machine Company | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 310,818 | Jan. 13, 1885 | J.F. Guthrie | Pipe Wrench | |
![]() | CA-21,185 | Feb. 28, 1885 | J.F. Guthrie | Pipe Wrench | |
![]() | 359,722 | Mar. 22, 1887 | J.F. Guthrie, Jr. | Improvement In Pipe-Wrenches | |