| Patents for S. N. Piper |
Patents 1 -
10
of 41
      |
| Picture | Number | Date | Patentee | Title |
 | 71,015 | Nov. 19, 1867 | R.K. Huntoon | Governor for Steam Engines |
 | 74,527 | Feb. 18, 1868 | M.H. Freeman | Pipe-Cutter |
 | 77,719 | May 12, 1868 | M.V. Cummings | Mowing Machine |
 | 79,724 | Jul. 07, 1868 | J.R. Brown | Improvement in Pipe-Tongs |
 | 81,242 | Aug. 18, 1868 | F.S. Babbitt | Improvement in nozzles for pipes |
 | RE3,759 | Dec. 14, 1869 | R.K. Huntoon | Improvement in Steam-Engine Governors |
 | 98,747 | Jan. 11, 1870 | J.D. Davis | Improvement in Pipe-Tongs |
 | 99,137 | Jan. 25, 1870 | G.C. Beckwith | Improvement in Joiners' Planes |
 | 101,300 | Mar. 29, 1870 | C.D. Moore | Improvement in saw-mill |
 | 102,779 | May 10, 1870 | C.M. Daboll | Improved friction-roller bearing |
