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| Patents Granted on 1816-09-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,672X | Sep. 20, 1816 | S. Chandler | Making rims for thimbles on the same body | thimble making machines | |
| 2,673X | Sep. 20, 1816 | G. Ellicott | Rolling bar iron edgewise | ||