| Patents for Charles Ketchum |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 36,533 | Sep. 23, 1862 | J. Robison | Improvement in machines for upsetting tires | tire shrinkers |
| 40,052 | Sep. 22, 1863 | C.J. Legg | Corn Sheller | corn shellers |
| 40,437 | Oct. 27, 1863 | M. Tuell | Spoke Shave | spokeshaves |
| 46,245 | Feb. 07, 1865 | C. Ketchum | Corn Sheller | corn shellers |
| 82,289 | Sep. 22, 1868 | B.F. Burgess | Improvement in saws | saw teeth |
| 102,885 | May 10, 1870 | M. Tuells | Improvement in Implement for Measuring Boards | lumber rules |
| 105,210 | Jul. 12, 1870 | E. Horton | Clapboard Gauge | clapboard markers |
