| All Patents in class 81/154 |
Patents 16 -
30
of 38
      |
| Number | Date | Patentee | Title | Type |
| 441,245 | Nov. 25, 1890 | W.T. Kosinski, W.T. Kosinski | Wrench | quick adjust wrenches |
| 457,232 | Aug. 04, 1891 | S. Stock | Wrench | quick adjust wrenches |
| 486,697 | Nov. 22, 1892 | A.J. Curtis | Wrench | quick adjust wrenches |
| 512,418 | Jan. 09, 1894 | W.J. Walker | Wrench | quick adjust wrenches |
| 520,411 | May 29, 1894 | T.E. Chatten | Wrench | pipe wrenches |
| 536,628 | Apr. 02, 1895 | W.W. Hutchingson | Wrench | wedge adjust wrenches |
| 549,871 | Nov. 12, 1895 | J.S. Fowler | Wrench | wrench jaw components |
| 605,444 | Jun. 07, 1898 | C.E. Frederickson | Ratchet Monkey Wrench | ratchet wrenches |
| 608,735 | Aug. 09, 1898 | W.J. Walker | Wrench | quick adjust wrenches |
| 623,947 | Apr. 25, 1899 | C.H. Cool | Wrench | quick adjust wrenches |
| 634,548 | Oct. 10, 1899 | I.A. Weaver | Combined Lifting Jack and Wrench | axle nut wrenches |
| 655,026 | Jul. 31, 1900 | L. Smith | Wrench | wedge adjust wrenches |
| 818,180 | Apr. 17, 1906 | J.R. Long | Wrench | wedge adjust wrenches |
| 890,146 | Jun. 09, 1908 | J.R. Long | Wrench | wedge adjust wrenches |
| 902,830 | Nov. 03, 1908 | A.W. Peterson | Wrench | quick adjust wrenches |
