| All Patents in class 81/128 |
Patents 31 -
45
of 88
      |
| Number | Date | Patentee | Title | Type |
| 425,647 | Apr. 15, 1890 | T. Young | Wrench | quick adjust wrenches |
| 433,358 | Jul. 29, 1890 | J.J. McCarthy | Improvements in Socket Wrenches | screw adjust wrenches |
| 439,743 | Nov. 04, 1890 | W.W. Charlton | Monkey Wrench | screw adjust wrenches |
| 451,283 | Apr. 28, 1891 | G.L. Webb | Wrench | screw adjust wrenches |
| 468,241 | Feb. 02, 1892 | P.G. Douglas | Wrench | ratchet wrenches |
| 473,617 | Apr. 26, 1892 | B.H. Dunlap | Socket Wrench | axle nut wrenches |
| 482,198 | Sep. 06, 1892 | J. Ryan | Improvement in Pipe-Wrenches | quick adjust wrenches |
| 491,606 | Feb. 14, 1893 | E.L. Shultz | Wrench | bicycle or pocket wrenches |
| 510,414 | Dec. 12, 1893 | N. Eccles | Wrench | quick adjust wrenches |
| 520,094 | May 22, 1894 | J.T. Trench | Improvement in Adjustable Spanners or Wrenches | quick adjust wrenches |
| 531,715 | Jan. 01, 1895 | J.C. Brown | Wrench | screw adjust wrenches |
| 533,844 | Feb. 05, 1895 | G.B. Dunham | Wagon Wrench | axle nut wrenches |
| 552,343 | Dec. 31, 1895 | J.D. White | Wrench | wrench jaw components |
| 583,741 | Jun. 01, 1897 | K. Gerhardt | Wrench | self-adjust wrenches |
| 585,443 | Jun. 29, 1897 | A.E. Jenks | Wrench | quick adjust wrenches |
