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| Patents Granted on 1838-12-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| RX-6 | Dec. 04, 1838 | A.D. Spoor | Improved Stove for Burning Anthracite and other Coal | stoves | |
| 1,027 | Dec. 10, 1838 | E.K. Root | Method of punching or forming the eyes of axes, hatchets, &c. | tool making machines | |