| All Patents in class 81/390 |
Patents 1 -
10
of 25
      |
| Picture | Number | Date | Patentee | Title |
 | 148,259 | Mar. 03, 1874 | H.C. Stouffer | Pipe Wrenches |
 | 206,795 | Aug. 06, 1878 | A.H. Jarecki | Pipe-Tongs |
 | 395,046 | Dec. 25, 1888 | C.H. French | Pipe Wrench |
 | 396,877 | Jan. 29, 1889 | C.H. Kennedy | Wrench |
 | 411,502 | Sep. 24, 1889 | J.D. Hodge | Improvements in Pipe Tongs |
 | 434,409 | Aug. 12, 1890 | H.J. De Voe, G.L. Sutton | Wrench |
 | 460,438 | Sep. 29, 1891 | A.C. Haunty | Combination Wrench Tool |
 | 461,769 | Oct. 20, 1891 | F.S. Patton | Pipe Wrench |
 | 505,869 | Oct. 03, 1893 | E. Wright | Pipe Wrench |
 | 540,790 | Jun. 11, 1895 | G.W. Johnson | Pipe Tongs |
