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| All Patents in class 81/57.42 | |||||
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| Number | Date | Patentee | Title | Type | |
| 558,874 | Apr. 21, 1896 | J. Grannis | Axle Nut Wrench | axle nut wrenches | |
| 748,018 | Dec. 29, 1903 | C.J. Rowe | Work and Tool Holder | tool holders | |
| 919,156 | Apr. 20, 1909 | C.B. Gilmore | Bit-stock | ||
| 1,381,900 | Jun. 21, 1921 | W. Barnes | Socket Wrench | wrench handle components | |
| 2,293,786 | Aug. 25, 1942 | E.C. Worden | Wrench | torque wrenches | |