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| Patents for Grace E. Hibbert | |||||
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| Number | Date | Patentee | Title | Type | |
| 573,745 | Dec. 22, 1896 | A. Wilson | Woodworker's Clamp | bar and pipe clamps | |
| 584,591 | Jun. 15, 1897 | C.F. Johnson | Wrench | nut wrenches | |