| Patents Granted on 1855-05-15 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 12,850 | May 15, 1855 | D. Thompson, A. Thompson, D.S. Barber | Sleigh | sleighs |
| 12,857 | May 15, 1855 | J.A. Conover | Machine for splitting wood | wood splitting machines |
| 12,861 | May 15, 1855 | F.P. Hart | Gage for Slitting Lumber | marking gauges |
| 12,862 | May 15, 1855 | L. Holliday | Miter and beveling machine | miter boxes |
| 12,864 | May 15, 1855 | T.J. Knapp | Adjustable tenoning tool | hollow bits |
| 12,868 | May 15, 1855 | E.W. Nichols | Augers and braces (securing bits in their sockets) | brace chucks |
| 12,873 | May 15, 1855 | J.A. Reed | Steam-Engine Valve | steam pumps |
| 12,874 | May 15, 1855 | E.K. Root | Slide Lathe | engine lathes |
| 12,880 | May 15, 1855 | L. Tilton | Device for adjusting planing machinery | wood planers |
| 12,884 | May 15, 1855 | J.S. Barber | Machine for cutting irregular forms | wood lathes |
