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| Patents for Edith J. Griswold | |||||
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| Number | Date | Patentee | Title | Type | |
| 506,954 | Oct. 17, 1893 | J.G. Timolat, C. Jacobson | Portable drill | portable metal boring and drilling machines | |
| 688,653 | Dec. 10, 1901 | F. Lambert | Tool-operating machine | drill presses | |