Patents for Anson P. Stephens |
Patents 1 -
14
of 14
|
Number | Date | Patentee | Title | Type |
38,249 | Apr. 21, 1863 | A.P. Stephens | Improvement in locks for fire-arms | firearms |
42,236 | Apr. 05, 1864 | A.P. Stephens | Improvement in vises | bench vises |
78,336 | May 26, 1868 | A.P. Stephens | Improved composite pipe | |
87,985 | Mar. 16, 1869 | A.P. Stephens | Improved rotary metal-cutter | cutters |
96,282 | Oct. 26, 1869 | A.P. Stephens | Improved base for bench-vises | bench vises |
105,507 | Jul. 19, 1870 | A.P. Stephens | Improvement in vises | bench vises |
125,625 | Apr. 09, 1872 | A.P. Stephens | Improvement in vises | bench vises |
127,438 | Jun. 04, 1872 | A.P. Stephens | Improvement in the manufacture of cement pipes | pipes |
141,091 | Jul. 22, 1873 | A.P. Stephens | Improvement in broaching-machines | tool making machines |
149,263 | Mar. 31, 1874 | A.P. Stephens | Improvement in sheet-metal cement-lined pipes | pipes |
412,558 | Oct. 08, 1889 | A.P. Stephens | Surface for grinding and crushing | stone crushers |
629,177 | Jul. 18, 1899 | A.P. Stephens | Cycle driving mechanism | bicycles and tricycles |
629,178 | Jul. 18, 1899 | A.P. Stephens | Cycle driving mechanism | bicycles and tricycles |
629,179 | Jul. 18, 1899 | A.P. Stephens | Steering mechanism for cycles | bicycles and tricycles |