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| Patents for Charles Ketchum | |||||
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| Picture | Number | Date | Patentee | Title | |
| 36,533 | Sep. 23, 1862 | J. Robison | Improvement in machines for upsetting tires | ||
 | 40,052 | Sep. 22, 1863 | C.J. Legg | Corn Sheller | |
 | 40,437 | Oct. 27, 1863 | M. Tuell | Spoke Shave | |
 | 46,245 | Feb. 07, 1865 | C. Ketchum | Corn Sheller | |
 | 82,289 | Sep. 22, 1868 | B.F. Burgess | Improvement in saws | |
 | 102,885 | May 10, 1870 | M. Tuells | Improvement in Implement for Measuring Boards | |
 | 105,210 | Jul. 12, 1870 | E. Horton | Clapboard Gauge | |