| Patents for Melvin Stephens |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 78,336 | May 26, 1868 | A.P. Stephens | Improved composite pipe |
 | 87,985 | Mar. 16, 1869 | A.P. Stephens | Improved rotary metal-cutter |
 | 94,146 | Aug. 24, 1869 | M. Stephens | Improvement in joints for cement-pipes |
 | 96,282 | Oct. 26, 1869 | A.P. Stephens | Improved base for bench-vises |
 | 125,345 | Apr. 02, 1872 | M. Stephens | Improvement in branch-couplings for cement pipes |
 | 126,100 | Apr. 23, 1872 | M. Stephens | Improvement in devices for lining cement pipes |
 | RE4,980 | Jul. 16, 1872 | M. Stephens | Improvement in joints for cement-pipes |
 | 132,699 | Oct. 29, 1872 | M. Stephens | Improvement in pipe-couplings |
 | 137,970 | Apr. 15, 1873 | M. Stephens | Improvement in cement-lined pipes |
 | 142,528 | Sep. 02, 1873 | M. Stephens | Improvement in cement-lined pipes |
