| All Patents in class 81/423 |
Patents 31 -
45
of 51
      |
| Number | Date | Patentee | Title | Type |
| 457,064 | Aug. 04, 1891 | E.M. Watson | Pipe Wrench | pipe tongs |
| 505,869 | Oct. 03, 1893 | E. Wright | Pipe Wrench | pipe wrenches |
| 543,665 | Jul. 30, 1895 | E. Wright | Pipe Wrench | pipe wrenches |
| 554,885 | Feb. 18, 1896 | E.B. Lilly | Pipe Wrench | pipe wrenches |
| 586,004 | Jul. 06, 1897 | M.M. Billmire | Rod or Bolt Wrench | pliers |
| 605,441 | Jun. 07, 1898 | A.E. Brockett | Pipe Wrench | pipe wrenches |
| 622,197 | Apr. 04, 1899 | L.D. DeSaussure, T. Herron, A.G. Bayles | Gas-Burner Pliers | wrench jaw components |
| 638,378 | Dec. 05, 1899 | W.S. Casterlin | Tongs | blacksmith |
| 651,082 | Jun. 05, 1900 | F.C. McClary | Pliers | pliers |
| 677,770 | Jul. 02, 1901 | E.D. Koeth | Tool | combination tools |
| 701,952 | Jun. 10, 1902 | C.C. Smith | Nut Wrench | nut wrenches |
| 791,917 | Jun. 06, 1905 | E.D. Koeth | Combination Tool | combination tools |
| 1,210,558 | Jan. 02, 1917 | L.S. Starrett | Pliers | pliers |
| 1,456,480 | May 22, 1923 | G.D. Becker | Pipe Wrench | pipe wrenches |
| 1,750,817 | Mar. 18, 1930 | W.E. Root | Tongs | pliers |
