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| Patents for Chas. A. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 127,686 | Jun. 11, 1872 | H. Gerecke | Improvement in Dividers | calipers | |
| 168,016 | Sep. 21, 1875 | D. Heaton | Setting Instrument For Attaching Buttons To Clothing | pliers | |