| All Patents in class 81/97 |
Patents 46 -
60
of 95
      |
| Number | Date | Patentee | Title | Type |
| 383,334 | May 22, 1888 | J.D. Abbott | Improvements in Vise-Wrenches | axle nut wrenches |
| 391,957 | Oct. 30, 1888 | J.A. Giles | Pipe Wrench | pipe wrenches |
| 396,857 | Jan. 29, 1889 | L.F. Carstensen | Wrench | screw adjust wrenches |
| 419,816 | Jan. 21, 1890 | B.G. Berrien, Jr. | Improved Pipe Wrench | pipe tongs |
| 426,223 | Apr. 22, 1890 | F. Virgien | Pipe Wrench | pipe wrenches |
| 440,889 | Nov. 18, 1890 | A. Chainey | Wrench | pipe and nut combination wrenches |
| 446,324 | Feb. 10, 1891 | D.H. Carpenter | Combined Nut and Pipe Wrench | quick adjust wrenches |
| 459,072 | Sep. 08, 1891 | J.W. Sullivan | Nut Wrench | pipe and nut combination wrenches |
| 464,168 | Dec. 01, 1891 | A.C. Whittier | Pipe Wrench | pipe wrenches |
| 467,151 | Jan. 19, 1892 | D.H. Carpenter | Wrench | screw adjust wrenches |
| 484,218 | Oct. 11, 1892 | E.A. Commander, A.W. Miles | Wrench | pipe wrenches |
| 488,431 | Dec. 20, 1892 | J.H. Gregory | Wrench | pipe wrenches |
| 491,222 | Feb. 07, 1893 | A. Pellet | Wrench | quick adjust wrenches |
| 492,626 | Feb. 28, 1893 | F.B. Ide | Hand Wrench | quick adjust wrenches |
| 497,260 | May 09, 1893 | G.P. Woelfel | Pipe Wrench | self-adjust wrenches |
