| All Patents in class 81/99 |
Patents 46 -
60
of 110
      |
| Number | Date | Patentee | Title | Type |
| 470,042 | Mar. 01, 1892 | F.L. George | Pipe Wrench | pipe wrenches |
| 471,940 | Mar. 29, 1892 | T.E. Brink | Pipe Holder | pipe wrenches |
| 474,300 | May 03, 1892 | G. McKercher | Pipe Wrench | pipe wrenches |
| 491,721 | Feb. 14, 1893 | W.C. Riesberry | Wrench | screw adjust wrenches |
| 497,260 | May 09, 1893 | G.P. Woelfel | Pipe Wrench | self-adjust wrenches |
| 499,765 | Jun. 20, 1893 | A.E. Upton | Pipe-Wrench | pipe wrenches |
| 500,025 | Jun. 20, 1893 | J.H. Montgomery | Automatic Wrench | pipe wrenches |
| 504,232 | Aug. 29, 1893 | G. McKercher | Wrench | self-adjust wrenches |
| 506,372 | Oct. 10, 1893 | P. Paulus | Pipe Tongs | pipe wrenches |
| 513,580 | Jan. 30, 1894 | R. Beardsley, A.S. King | Pipe Or Rod Wrench | pipe tongs |
| 519,034 | May 01, 1894 | G.J. Capewell | Nail Puller | nail extractors |
| 519,254 | May 01, 1894 | J. Geisendorfer | Pipe Wrench | pipe wrenches |
| 545,424 | Aug. 27, 1895 | R.D. Shafer, F.L. Felger | Pipe Wrench | pipe wrenches |
| 551,311 | Dec. 10, 1895 | J. Heard, M.C. Gay | Wrench | self-adjust wrenches |
| 553,015 | Jan. 14, 1896 | E. Pember | Pipe Wrench | pipe wrenches |
