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| Patents for Frank S. Cook | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 438,605 | Oct. 21, 1890 | F.S. Cook | Nut Tapping Machine | |
 | 447,665 | Mar. 03, 1891 | F.S. Cook | Wrench | |
 | 452,518 | May 19, 1891 | F.S. Cook | Wrench | |
 | 464,751 | Dec. 08, 1891 | F.S. Cook | Wrench | |
 | 466,157 | Dec. 29, 1891 | F.S. Cook | Spanner Wrench | |