| Patents for unknown unknown |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 22 | Sep. 05, 1836 | u. unknown | Missing | |
| 28 | Sep. 20, 1836 | u. unknown | Missing | |
| 49 | Oct. 11, 1836 | u. unknown | Missing | |
| 52 | Oct. 11, 1836 | u. unknown | Missing | |
| 55 | Oct. 15, 1836 | u. unknown | Missing | |
| 58 | Oct. 19, 1836 | u. unknown | Missing | |
| 59 | Oct. 19, 1836 | u. unknown | Missing | |
| 63 | Oct. 20, 1836 | u. unknown | Missing | |
| 81 | Nov. 15, 1836 | u. unknown | Missing | |
| 100 | Dec. 06, 1836 | u. unknown | Missing | |
| 107 | Dec. 15, 1836 | u. unknown | Missing | |
| 108 | Dec. 15, 1836 | u. unknown | Missing | |
| 109 | Dec. 15, 1836 | u. unknown | Missing | |
| 106 | Dec. 20, 1836 | u. unknown | Missing | |
