| Patents Granted on 1849-02-20 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 6,121 | Feb. 20, 1849 | R. Cook | Improvement in Electro-Magnetic Ore-Separators | ore processing apparatus |
| 6,128 | Feb. 20, 1849 | J. Mulbery | Short Slide-Valve by Chamfering Corners | |
| 6,130 | Feb. 20, 1849 | W.H. Lindsay | Fluid-Meter | stationary boilers |
| 6,131 | Feb. 20, 1849 | S. Huntington | Improvement in machinery for turning right and left lasts, &c., from the same pattern | pattern lathes |
| 6,134 | Feb. 20, 1849 | J.M. Eddy | Machine for turning irregular forms | pattern lathes |
