| All Patents in class 81/98 |
Patents 31 -
45
of 97
      |
| Number | Date | Patentee | Title | Type |
| 411,807 | Oct. 01, 1889 | J.F. Guthrie, Jr. | Flange Wrench | flange wrenches |
| 413,392 | Oct. 22, 1889 | G.J. Engert | Lathe Dog | lathe dogs |
| 417,652 | Dec. 17, 1889 | J.R. Smith | Pipe Wrench | pipe wrenches |
| 422,526 | Mar. 04, 1890 | F.E. Heinig | Wrench | jar wrenches |
| 440,564 | Nov. 11, 1890 | G.W. Hammond | Pipe Wrench | pipe wrenches |
| 442,190 | Dec. 09, 1890 | J.H. Lane | Wrench For Tightening the Spokes of Bicycle Wheels | spoke nipple wrenches |
| 444,372 | Jan. 06, 1891 | J.C. Sproull | Pipe Wrench | pipe wrenches |
| 450,676 | Apr. 21, 1891 | T. Newman | Pipe Wrench | pipe wrenches |
| 453,537 | Jun. 02, 1891 | F.H. Bates, F.G. Bates | Ratchet Tool | ratchet wrenches |
| 460,230 | Sep. 29, 1891 | G. Gunnarson | Three Gripped Self Adjusting Pipe Wrench | pipe tongs |
| 472,153 | Apr. 05, 1892 | J.J. Tomey | Pipe And Rod Wrench | wrench combination tools |
| 474,741 | May 10, 1892 | L.C. Hurd | Wrench | alligator wrenches |
| 478,121 | Jul. 05, 1892 | W.S. Duvall, W. Miller | Wrench | pipe wrenches |
| 484,070 | Oct. 11, 1892 | J.G. Van Altena | Improvement in Tools For Turning the Covers of Fruit-Jars | jar wrenches |
| 486,235 | Nov. 15, 1892 | A.N. Parnall | Pipe-Wrench | pipe wrenches |
