| Patents Granted on 1827-05-15 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 4,753X | May 15, 1827 | B. Stancliff (Standcliffe) | Valve cock for hydrants | |
| 4,754X | May 15, 1827 | T. Loud, Jr. | Horizontal piano fortes | music instrument maker |
| 4,755X | May 15, 1827 | M. Ward | Use of heated air, gases, etc. in the aid of steam power | steam apparatus |
| 4,756X | May 15, 1827 | G. Wilkinson | Method of building wooden bridges with draws | bridges |
| 4,757X | May 15, 1827 | R. Jernigan | Cotton press | cotton presses |
| 4,758X | May 15, 1827 | J.P. Bakewell | Construction of bridges | |
