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| All Patents of Type: padlocks | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,882 | Dec. 05, 1840 | S. Andrews | Manner of constructing padlocks for mail-bags and other uses | padlocks | |
| 307,487 | Nov. 04, 1884 | I.W. Moore | Padlock | padlocks | |
| 309,152 | Dec. 09, 1884 | I.W. Moore | Permutation-padlock | padlocks | |
| 351,458 | Oct. 26, 1886 | F.W. Mix | Padlock | padlocks | |
| 552,277 | Dec. 31, 1895 | W.M. Coxe, H.S. Coxe, A.S. Coxe | Permutation-Padlock | padlocks | |