| Patents Granted on 1821-06-?? |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 3,339X | Jun. 02, 1821 | A. Tolson | Pulverizing wood etc. | wood grinding machines |
| 3,340X | Jun. 04, 1821 | J. Bliss | Improvement on Morrison's spiggot and faucet | household tools |
| 3,341X | Jun. 08, 1821 | R. Willingham | Fire irons | household tools |
| 3,342X | Jun. 16, 1821 | A. Ward | Mode of marking and cutting out clothes | |
| 3,343X | Jun. 20, 1821 | R. Langdon | Mode of packing thread | |
| 3,344X | Jun. 25, 1821 | J. Douglass | Liquor fount | |
| 3,345X | Jun. 25, 1821 | T.C. Hance | Hay rake | hay or straw rakes |
| 3,346X | Jun. 26, 1821 | R. Winans | Fulling cloth | |
| 3,347X | Jun. 26, 1821 | S. Stillwell | Water and steam still boiler | stationary boilers |
| 3,348X | Jun. 29, 1821 | F.D. Sanno | Valve cock | |
| 3,349X | Jun. 29, 1821 | W. Bryan, T. Bryan | Staining and printing silks | |
