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All Patents in class 140/57 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 639,521 | Dec. 19, 1899 | J.B. Carpenter | Machine for Attaching Pickets to Fence Wires | |
![]() | 667,854 | Feb. 12, 1901 | N.J. Tate | Wireworking tool |