| Patents Granted on 1840-09-?? |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 1,752 | Sep. 02, 1840 | L. Baker | Mode of Channeling and Scarfing the Soles of Pumps, Shoes, &c. | |
| 1,754 | Sep. 02, 1840 | W.P. Badger, I. Hosmer | Machine for cutting staves | barrel making machines |
| 1,757 | Sep. 02, 1840 | H. Burden | Machine for making hook or brad headed spikes | nail making machines |
| 1,758 | Sep. 03, 1840 | J. Dresser | Improvement in machines for cutting veneers | veneer machines |
| AI33 | Sep. 04, 1840 | I. Babbitt | Journal Box | industrial machine mechanisms |
| 1,781 | Sep. 10, 1840 | C. Manning | Machine for cutting staves | barrel making machines |
| 1,786 | Sep. 10, 1840 | O. Sheldon | Machine for cutting staves | barrel making machines |
| 1,787 | Sep. 14, 1840 | C. Manning | Improvement in machine for cutting staves, &c. | barrel making machines |
| 1,793 | Sep. 19, 1840 | J. Still | Cooking Stove | stoves |
| RX-26 | Sep. 30, 1840 | P. Williamson | Improvement in the Making or Manufacturing of the Premium Railway Cooking-Stove | railroad car stoves |
