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Patents for James A. Ambler | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 234,163 | Nov. 09, 1880 | J.A. Ambler, A.C. Ambler | Crimping-machine for boots and shoes | |
![]() | 236,475 | Jan. 11, 1881 | J.A. Ambler, A.C. Ambler | Mechanism for finishing the bottoms of boots and shoes |