| All Patents in class 81/409 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 19,842 | Apr. 06, 1858 | H.H. Gilmore | Pipe-Tongs | pipe tongs |
| 24,927 | Aug. 02, 1859 | J.R. Brown | Pipe-Tongs | pipe tongs |
| 35,762 | Jul. 01, 1862 | F. Kearney, W. Kearney | Improvement in Pipe-Tongs or Wrenches | pipe tongs |
| 45,496 | Dec. 20, 1864 | H. Herbert | Improvement in Pipe-Tongs | wrench jaw components |
| RE2,283 | Jun. 12, 1866 | H.H. Gilmore, A. Beach | Improvement in Pipe-Tongs | pipe tongs |
| 57,506 | Aug. 28, 1866 | H. Herbert | Improvement in Pipe-Tongs | pipe tongs |
| 62,250 | Feb. 19, 1867 | E. Cash | Improvement in Pipe-Tongs | pipe wrenches |
| 79,642 | Jul. 07, 1868 | J.M. Evarts | Improvement in Pipe-Tongs | pipe tongs |
| RE4,917 | May 28, 1872 | H. Herbert | Improvement in Pipe-Tongs | pipe tongs |
| 139,177 | May 20, 1873 | G.P. Moloney | Improvment in Pipe Tongs | pipe tongs |
| 148,889 | Mar. 24, 1874 | A. Kotzum | Pipe-Tongs | pipe tongs |
| 157,441 | Dec. 08, 1874 | J.D. Davis | Improvement in Pipe-Tongs | pipe tongs |
| 169,425 | Nov. 02, 1875 | S.H. Dickerson | Pipe-Tongs | pipe tongs |
| 170,201 | Nov. 23, 1875 | D.P. Stanton | Pipe-Wrench | pipe tongs |
| 203,593 | May 14, 1878 | J. Corbin | Pipe-Tongs | pipe tongs |
