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| All Patents in class 470/65 | |||||
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| Number | Date | Patentee | Title | Type | |
| 256,127 | Apr. 11, 1882 | A.S. Cook | Wood-screw machine | screw machines | |
| 1,721,378 | Jul. 16, 1929 | G.J. Draeger | Floating Tool Holder | drilling and boring tool holders | |