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| All Patents in class 294/56 | |||||
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| Number | Date | Patentee | Title | Type | |
| 107,314 | Sep. 13, 1870 | W.P. Wentworth | Improvement in snow-shovels | shovels | |
| 111,891 | Feb. 14, 1871 | W.P. Wentworth | Improvement in tips for wooden shovels | ||
| RE4,835 | Mar. 26, 1872 | W.P. Wentworth | Improvement in snow-shovels | household | |