| All Patents in class 81/173 |
Patents 16 -
29
of 29
      |
| Number | Date | Patentee | Title | Type |
| 474,477 | May 10, 1892 | B.B. Lowe | Wrench | ratchet wrenches |
| 489,032 | Jan. 03, 1893 | W.A. Osteen | Wrench | ratchet wrenches |
| 525,318 | Aug. 28, 1894 | S.M. Friede | Compound Action Monkey Wrench | angle adjustable wrenches |
| 525,684 | Sep. 04, 1894 | S.M. Friede | Combined Monkey and Pipe Ratchet Wrench | screw adjust wrenches |
| 530,518 | Dec. 11, 1894 | S.M. Friede | Combined Monkey and Pipe Wrench | pipe and nut combination wrenches |
| 551,467 | Dec. 17, 1895 | O.H. Hanson | Wrench | screw adjust wrenches |
| 554,522 | Feb. 11, 1896 | L. Mills | Shifting Spanner | screw adjust wrenches |
| 608,477 | Aug. 02, 1898 | R.R. Parrish | Wrench | axle nut wrenches |
| 613,230 | Nov. 01, 1898 | F.W. Beckwith | Wrench | screw adjust wrenches |
| 622,428 | Apr. 04, 1899 | C.C. Harpold | Wrench | wrench jaw components |
| 764,619 | Jul. 12, 1904 | J.C. McQuilkin | Pipe Wrench | pipe wrenches |
| 1,050,131 | Jan. 14, 1913 | J.C. Hawes | Convertible Ratchet Wrench | ratchet wrenches |
| 1,196,703 | Aug. 29, 1916 | H. Kraut | Tool | screw adjust wrenches |
| 1,386,217 | Aug. 02, 1921 | J. Zilliox | Wrench | bicycle or pocket wrenches |
