| Patents Granted on 1857-12-22 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| RE516 | Dec. 22, 1857 | R. Porter | Improvement in automatic grain-weighing machines | grain scales |
| 18,906 | Dec. 22, 1857 | A. Johnson | Cornices, Machine | |
| 18,909 | Dec. 22, 1857 | W. Kenyon | Screw-cutting machine | nut or bolt making machines |
| 18,917 | Dec. 22, 1857 | I. Lindsley | Machine for carving wood | carving machines |
| 18,922 | Dec. 22, 1857 | D.M. Mefford | Corn Husker | corn huskers |
| 18,942 | Dec. 22, 1857 | M.M. Wombaugh, A.C. Martin | Method of governing the cut of circular sawing machinery | circular sawmills |
| 18,943 | Dec. 22, 1857 | G.R. Moore | Crosscut-sawing machine | firewood machines |
| 18,944 | Dec. 22, 1857 | O.L. Reynolds | Machine for cutting zigzag grooves in stiles of washboards | specialty woodworking machines |
