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| Patents for Asa S. Cook | |||||
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| Number | Date | Patentee | Title | Type | |
| 256,127 | Apr. 11, 1882 | A.S. Cook | Wood-screw machine | screw machines | |
| 256,546 | Apr. 18, 1882 | A.S. Cook | Wood-screw machine | screw machines | |