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| All Patents in class 81/122 | |||||
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| Number | Date | Patentee | Title | Type | |
| 370,734 | Sep. 27, 1887 | J. Fryxell | Ratchet screw-driver or drill | spiral screwdrivers | |
| 1,499,186 | Jun. 24, 1924 | T. Murphy | Wrench | quick adjust wrenches | |