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| Patents for Charles D. Edwards | |||||
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| Number | Date | Patentee | Title | Type | |
| 216,162 | Jun. 03, 1879 | C.D. Edwards | Improvement in ditching-machines | construction machines | |
| 546,511 | Sep. 17, 1895 | C.D. Edwards | Stump-puller | stump elevators | |
| 869,354 | Oct. 29, 1907 | C.D. Edwards | Grading-machine | construction machines | |