| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1830-02-22 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 5,839X | Feb. 22, 1830 | S.T. Jones | Pendulous rail road cars | ||
| 5,840X | Feb. 22, 1830 | S.T. Jones | Railway car to run on roads and streets | ||
| 5,841X | Feb. 22, 1830 | J.M. Syme | Mode of constructing dams | ||
| NX-183,002,221 | Feb. 22, 1830 | S.T. Jones | Railroad Car, Pendulous | railroad cars and carriages | |
| NX-183,002,223 | Feb. 22, 1830 | J.M. Syme | Dam | dams and weirs | |