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| All Patents in class 414/440 | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,234 | Jul. 10, 1855 | S.W. Soule | Excavator | excavators | |
| 326,016 | Sep. 08, 1885 | G.E. Burt | Automatic-loading cart | wagons and carts | |