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| All Patents in class 254/243 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,321X | Jan. 07, 1831 | A. Gorham | Stump machine | stump elevators | |
| 546,511 | Sep. 17, 1895 | C.D. Edwards | Stump-puller | stump elevators | |