| Patents Granted on 1857-03-?? |
Patents 1 -
15
of 56
      |
| Number | Date | Patentee | Title | Type |
| AI159 | Mar. 03, 1857 | J.O. Leach | Loom | |
| 16,725 | Mar. 03, 1857 | P. Eggleston | Circular-sawing mill | circular sawmills |
| 16,732 | Mar. 03, 1857 | C. Hutchins | Machine for making axes | tool making |
| 16,733 | Mar. 03, 1857 | B.F. Joslyn | Improvement in Screw-Wrenches | nut wrenches |
| 16,737 | Mar. 03, 1857 | W. Lewis | Machine for Husking Corn | corn huskers |
| 16,738 | Mar. 03, 1857 | W.H. Lewis, W. Lewis | Photographic-Plate Vise | |
| 16,740 | Mar. 03, 1857 | J. Massey | Corn Husker | corn huskers |
| 16,742 | Mar. 03, 1857 | H.D. McGeorge | Shingle-machine | shingle machines |
| 16,746 | Mar. 03, 1857 | E.M. Pitman | Machine for beveling and jointing staves | barrel making machines |
| 16,758 | Mar. 03, 1857 | H. Strait | Machine for Husking Corn | corn huskers |
| 16,777 | Mar. 03, 1857 | T.D. Knight | Machine for reducing and smoothing boards to uniform thickness | drum sanders |
| NF-15 | Mar. 04, 1857 | M.G. Farmer, A.F. Woodman | Improvements in electric telegraphs | telegraphy apparatus |
| RE435 | Mar. 10, 1857 | L. Hedge | Band sawmill | sawmills |
| 16,781 | Mar. 10, 1857 | J.F. Allen | Improvement in cut-offs for steam-engines | steam engine valve gear |
| 16,782 | Mar. 10, 1857 | E. Andrews | Machine for grinding saws | making sawblades |
