| All Patents in class 81/170 |
Patents 31 -
45
of 105
      |
| Number | Date | Patentee | Title | Type |
| 241,490 | May 17, 1881 | J.T. Hayden | Pipe Wrench | pipe wrenches |
| 247,454 | Sep. 20, 1881 | W.E. Wild | Socket Wrench | screw adjust wrenches |
| 255,637 | Mar. 28, 1882 | J. Merrill, P.B. Kinsman | Carriage Wrench | axle nut wrench combination tools |
| 277,265 | May 08, 1883 | T.F. Giles, I.W. Giles | Improved Carriage-Wrench | axle nut wrenches |
| 282,462 | Jul. 31, 1883 | B.F. Lancaster | Ratchet Wrench | ratchet wrenches |
| 308,969 | Dec. 09, 1884 | J. Lussier | Wrench | angle adjustable wrenches |
| 325,001 | Aug. 25, 1885 | J. McLean | Wrench | screw adjust wrenches |
| 326,868 | Sep. 22, 1885 | E. Harris | Wrench | angle adjustable wrenches |
| 328,980 | Oct. 27, 1885 | A.W. Stossmeister | Wrench | wrenches |
| 331,189 | Nov. 24, 1885 | J. Du Shane | Rapid Transit Wrench | quick adjust wrenches |
| 333,961 | Jan. 05, 1886 | J. Lussier | Improved Combination Rotary Wrench | angle adjustable wrenches |
| 335,481 | Feb. 02, 1886 | C.C. Ellis, E.F. Rettberg | Wrench | ratchet wrenches |
| 340,436 | Apr. 20, 1886 | J.A. Fairbanks | Pipe Wrench | pipe wrenches |
| 357,986 | Feb. 15, 1887 | A.D. Gates | Improvements in Monkey-Wrenches | screw adjust wrenches |
| 363,901 | May 31, 1887 | W.C. Marr | Wrench | screw adjust wrenches |
