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| All Patents in class 12/54.6 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 164 | Apr. 17, 1837 | J. Van Winkle | Machine for Cramping Leather for Boot-Legs | |
 | 40,634 | Nov. 17, 1863 | T. Madgett | Boot Crimping Device | |
 | 42,324 | Apr. 12, 1864 | H. Wing | Boot Crimping Machine | |
 | 144,995 | Nov. 25, 1873 | M.R. Marcell | Boot Crimp | |
 | 234,163 | Nov. 09, 1880 | J.A. Ambler, A.C. Ambler | Crimping-machine for boots and shoes | |