| Patents Granted on 1827-04-?? |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 4,727X | Apr. 03, 1827 | J. Allen, Jr., C. Geoghegan | Manufacture of tobacco | tobacco machinery |
| 4,728X | Apr. 03, 1827 | J.S. Davis | Making watch keys | watchmaking machinery |
| 4,729X | Apr. 07, 1827 | J. Bailey | Cutting wood for the sides of tubs, buckets, etc. | cooper |
| 4,730X | Apr. 07, 1827 | J. Baily | Art of carpentering | |
| 4,731X | Apr. 09, 1827 | R. Cambell (Campbell) | Machine for making hominy | miller |
| 4,732X | Apr. 09, 1827 | C.H. Wicks (Weeks) | Machine for grinding apples for cider | apple graters |
| 4,733X | Apr. 10, 1827 | R.L. Stevens | Water wheel for steam boats | steamboats |
| 4,734X | Apr. 10, 1827 | J. Grant | Machine for setting up hat bodies | milliner |
| 4,735X | Apr. 18, 1827 | D. Sperry | Boring and tenoning spokes for wheels | wheelwright |
| 4,736X | Apr. 21, 1827 | N. Remington | Spinning machine | spinner |
| 4,737X | Apr. 23, 1827 | W. Stanton | Propelling machinery of all kinds | |
| 4,738X | Apr. 24, 1827 | G. Fleming | Application of steam power in raising water | |
| 4,739X | Apr. 24, 1827 | W. Patrick | Gage lathe | wood lathes |
| 4,740X | Apr. 24, 1827 | J. McDonald | Machine for moulding and pressing bricks | brick maker |
| 4,741X | Apr. 26, 1827 | T. Edmundson | Mode of preserving eggs, butter, etc. | |