| Patents Granted on 1851-02-?? |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| NS-12 | Feb. 08, 1851 | A. Gesner | Manufacturing illuminating gas from animal and vegetable oils, mineral oil, naphtha, petroleum rosin, pitch, tar, turpentine, coal tar, etc. | gas generators |
| 7,937 | Feb. 18, 1851 | P.S. Beers | Machine for turning irregular forms | pattern lathes |
| 7,938 | Feb. 18, 1851 | J.A. Fry | Wooden Combination Plane | combination planes |
| 7,942 | Feb. 18, 1851 | D.H. Southworth | Planing-machine | wood planers |
| 7,943 | Feb. 18, 1851 | I. Straub | Improvement in sawmills | reciprocating sawmills |
| 7,949 | Feb. 25, 1851 | J.D. Beers, I. Winslow | Planing-machine | wood planers |
| 7,956 | Feb. 25, 1851 | A. Lane | Machinery for turning irregular forms | pattern lathes |
