| Patents Granted on 1827-05-14 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 4,745X | May 14, 1827 | J. Poole | Steam engine boilers | stationary boilers |
| 4,746X | May 14, 1827 | E.A. Lester | Construction of steam boiler | stationary boilers |
| 4,747X | May 14, 1827 | J. Daley | Improvement called a portable bedstead | |
| 4,748X | May 14, 1827 | A. Holcomb | Paint mill | paint grinding mills |
| 4,749X | May 14, 1827 | D. Dodge | Extracting oil from flaxseed | |
| FX-4,749 | May 14, 1827 | E.A. Lester | Oscillating Steam Engine | oscillating steam engines |
| 4,750X | May 14, 1827 | J. Webb | Marine rail ways | |
| 4,751X | May 14, 1827 | J.V. (VanDorn) | Safety gate for canals | |
| 4,752X | May 14, 1827 | J. Towson | Stocks | |
| NX-182,505,141 | May 14, 1827 | J. Van Dorn | Safety gate for canals | locks |
