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| Patents for Edwin C. Pomroy | |||||
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| Number | Date | Patentee | Title | Type | |
| 160,056 | Feb. 23, 1875 | D. Heaton | Setting Instrument For Attaching Buttons, Studs, & c. | pliers | |
| 168,016 | Sep. 21, 1875 | D. Heaton | Setting Instrument For Attaching Buttons To Clothing | pliers | |
| 168,994 | Oct. 19, 1875 | D. Heaton | Setting-Instrument For Attaching Buttons, Studs, &c. | pliers | |