| All Patents in class 81/169 |
Patents 1 -
15
of 37
      |
| Number | Date | Patentee | Title | Type |
| 56,996 | Aug. 07, 1866 | A. Newton, F. Favro | Improvement in Wrenches | nut wrenches |
| 88,560 | Apr. 06, 1869 | O.V. Flora | Wrench | screw adjust wrenches |
| 89,690 | May 04, 1869 | F.C. Richer | Improved Monkey-Wrench | nut wrenches |
| 136,797 | Mar. 11, 1873 | J.B. Weeden | Wrenches | nut wrenches |
| 250,493 | Dec. 06, 1881 | O. Brothers, Jr. | Lubricating Wrench | axle nut wrench combination tools |
| 260,609 | Jul. 04, 1882 | C. Richards | Monkey-Wrench | nut wrenches |
| 265,704 | Oct. 10, 1882 | T.C. Rice | Carriage Wrench | axle nut wrenches |
| 385,366 | Jul. 03, 1888 | J.P. Mitchell | Wrench | screw adjust wrenches |
| 391,588 | Oct. 23, 1888 | C.S. De Witt | Wrench | screw adjust wrenches |
| 414,772 | Nov. 12, 1889 | W.H. Kaltenbeck | Monkey Wrench | quick adjust wrenches |
| 425,728 | Apr. 15, 1890 | C.L. Bellamy | Carriage Jack | axle nut wrench combination tools |
| 433,794 | Aug. 05, 1890 | F.W. Kasch | Wrench | pipe wrenches |
| 434,409 | Aug. 12, 1890 | H.J. De Voe, G.L. Sutton | Wrench | screw adjust wrenches |
| 436,073 | Sep. 09, 1890 | G.E. Clow, B. Clow | Nut Wrench | screw adjust wrenches |
| 444,402 | Jan. 06, 1891 | J.K. Starley | Monkey Wrench | bicycle or pocket wrenches |
