| All Patents in class 81/137 |
Patents 16 -
30
of 40
      |
| Number | Date | Patentee | Title | Type |
| 361,287 | Apr. 19, 1887 | N.J. Reiter, S. Hookey | Wrench | quick adjust wrenches |
| 419,254 | Jan. 14, 1890 | W.S. Hoskins | Improvements in Monkey Wrenches | quick adjust wrenches |
| 427,472 | May 06, 1890 | J.B. Foote | Wrench | quick adjust wrenches |
| 453,387 | Jun. 02, 1891 | T.W. Southard | Combination-Tool | combination tools |
| 459,241 | Sep. 08, 1891 | T. Sherk | Wrench | quick adjust wrenches |
| 461,894 | Oct. 27, 1891 | E. Cook | Pipe Wrench | pipe wrenches |
| 466,456 | Jan. 05, 1892 | G.J. Cline | Wrench | quick adjust wrenches |
| 493,829 | Mar. 21, 1893 | P. Mandigo | Wrench | quick adjust wrenches |
| 502,997 | Aug. 08, 1893 | E.S. Pratt | Monkey Wrench | screw adjust wrenches |
| 531,628 | Jan. 01, 1895 | J.F. Fitzgerald | Wrench | quick adjust wrenches |
| 532,672 | Jan. 15, 1895 | B.F. Kettle | Adjustable Wrerench | quick adjust wrenches |
| 536,882 | Apr. 02, 1895 | J.G. Lowe | Wrench | bicycle or pocket wrenches |
| 550,092 | Nov. 19, 1895 | M.A. Beard | Wrench | quick adjust wrenches |
| 556,049 | Mar. 10, 1896 | J.C. Gregory | Wrench | quick adjust wrenches |
| 578,249 | Mar. 02, 1897 | M.D. Letteer | Combination Tool | wrench combination tools |
