| Patents for Samuel N. Piper |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 13,982 | Dec. 25, 1855 | S. Dunham | Method of hanging saws |
 | 21,196 | Aug. 17, 1858 | F.D. Hayward | Nut Wrench |
 | 59,582 | Nov. 13, 1866 | M.H. Freeman | Improvement in Pipe-Tongs |
 | 65,081 | May 28, 1867 | J.S. Hoar | Improved Vise |
 | 67,398 | Aug. 06, 1867 | L. Bailey | Verticle Post Cutter Adjustment |
 | 67,511 | Aug. 06, 1867 | M.V. Cummings | Oscillating Steam Engine |
 | 70,917 | Nov. 12, 1867 | O.W. Stow | Improved Machine for Flanging and Wiring Metallic Plates |
 | 73,723 | Jan. 28, 1868 | S.T. Hutchins | Heel Shave |
 | 74,360 | Feb. 11, 1868 | J.S. Hoar | Improved chuck for planing-machines |
 | 77,495 | May 05, 1868 | S.U. King | Improvement in wood-turning lathes |
