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| All Patents in class 81/DIG.10 | |||||
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| Number | Date | Patentee | Title | Type | |
| 599,837 | Mar. 01, 1898 | W.G. Harris | Adjustable Spanner or Wrench | screw adjust wrenches | |
| 651,306 | Jun. 05, 1900 | C. Gabriel | Stay Bolt Wrench | wrenches | |
| 1,058,795 | Apr. 15, 1913 | W.T. Sayre | Ratchet Wrench | ratchet wrenches | |
| 1,121,668 | Dec. 22, 1914 | D. Gochenauer, N. Rusk | Wrench | ratchet wrenches | |
| 1,775,402 | Sep. 09, 1930 | S. Mandl | Wrench Outfit | socket wrenches | |
| 2,672,066 | Mar. 16, 1954 | G.C. Fratz, P.W. Sandrock | Tool Handle Attachment | ||