Patents for Anson P. Stephens |
Patents 1 -
10
of 14
      |
Picture | Number | Date | Patentee | Title |
 | 38,249 | Apr. 21, 1863 | A.P. Stephens | Improvement in locks for fire-arms |
 | 42,236 | Apr. 05, 1864 | A.P. Stephens | Improvement in vises |
 | 78,336 | May 26, 1868 | A.P. Stephens | Improved composite pipe |
 | 87,985 | Mar. 16, 1869 | A.P. Stephens | Improved rotary metal-cutter |
 | 96,282 | Oct. 26, 1869 | A.P. Stephens | Improved base for bench-vises |
 | 105,507 | Jul. 19, 1870 | A.P. Stephens | Improvement in vises |
 | 125,625 | Apr. 09, 1872 | A.P. Stephens | Improvement in vises |
 | 127,438 | Jun. 04, 1872 | A.P. Stephens | Improvement in the manufacture of cement pipes |
 | 141,091 | Jul. 22, 1873 | A.P. Stephens | Improvement in broaching-machines |
 | 149,263 | Mar. 31, 1874 | A.P. Stephens | Improvement in sheet-metal cement-lined pipes |