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| All Patents in class 12/40.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 157,424 | Dec. 01, 1874 | W.N. Sprague | Improvement in machines for making wooden shanks for boots and shoes | cobbler | |
| RE6,828 | Dec. 28, 1875 | W.N. Sprague | Improvement in machines for making wooden shanks for boots and shoes | cobbler | |