| Patents for unknown unknown |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 22 | Sep. 05, 1836 | u. unknown | Missing | stoves |
| 28 | Sep. 20, 1836 | u. unknown | Missing | stoves |
| 44 | Oct. 11, 1836 | u. unknown | Missing | construction machines |
| 49 | Oct. 11, 1836 | u. unknown | Missing | hydrants |
| 52 | Oct. 11, 1836 | u. unknown | Missing | textile machines |
| 55 | Oct. 15, 1836 | u. unknown | Missing | bung making machines |
| 58 | Oct. 19, 1836 | u. unknown | Missing | sprayers |
| 59 | Oct. 19, 1836 | u. unknown | Missing | railroad locomotives |
| 63 | Oct. 20, 1836 | u. unknown | Missing | industrial machine bearings |
| 81 | Nov. 15, 1836 | u. unknown | Missing | textile machines |
| 100 | Dec. 06, 1836 | u. unknown | Missing | patent withdrawn |
| 107 | Dec. 15, 1836 | u. unknown | Missing | manufacturing processes |
| 108 | Dec. 15, 1836 | u. unknown | Missing | fasteners |
| 109 | Dec. 15, 1836 | u. unknown | Missing | fasteners |
| 106 | Dec. 20, 1836 | u. unknown | Missing | printing presses |
