| All Patents in class 81/169 |
Patents 16 -
30
of 36
      |
| Number | Date | Patentee | Title | Type |
| 445,431 | Jan. 27, 1891 | E. Nighswander | Buggy Wrench | axle nut wrenches |
| 512,007 | Jan. 02, 1894 | F.A. Carrithers | Nut-Wrench | nut wrenches |
| 533,049 | Jan. 29, 1895 | F.A. Carrithers | Wrench | pipe wrenches |
| 554,284 | Feb. 11, 1896 | P. Lorang | Wrench | quick adjust wrenches |
| 563,049 | Jun. 30, 1896 | D. Metcalfe | Pipe Wrench | pipe wrenches |
| 599,715 | Mar. 01, 1898 | M.W. Lowe | Nut Wrench | screw adjust wrenches |
| 601,851 | Apr. 05, 1898 | A.B. Frack | Wrench | screw adjust wrenches |
| 625,209 | May 16, 1899 | E.E. Stear | Brace-wrench | brace wrenches |
| 850,900 | Apr. 23, 1907 | M. Boynton | Wrench | screw adjust wrenches |
| 952,223 | Mar. 15, 1910 | B.W. Woodward | Wrench | screw adjust wrenches |
| 1,012,037 | Dec. 19, 1911 | J.H. Vinton | Wrench | wrench jaw components |
| 1,017,550 | Feb. 13, 1912 | M.A. Johnson | Wrench | screw adjust wrenches |
| 1,121,229 | Dec. 15, 1914 | L. Cappabianco | Wrench | screw adjust wrenches |
| 1,153,050 | Sep. 07, 1915 | W.F. Estes | Wrench | screw adjust wrenches |
| 1,393,534 | Oct. 11, 1921 | F. Humphris | Construction of adjustable spanners, wrenches, clamps, pipe-cutters, pipe-grips, and the like | screw adjust wrenches |
