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| All Patents in class 81/57.45 | |||||
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| Number | Date | Patentee | Title | Type | |
| 444,111 | Jan. 06, 1891 | C. Birkery, W.J. Shea | Wrench | socket wrenches | |
| 1,310,473 | Jul. 22, 1919 | G.R. Fullenwider | Angular Socket Wrench | socket wrenches | |
| RE15,093 | Apr. 26, 1921 | G.R. Fullenwider | Angular Socket Wrench | wrench handle components | |