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| Patents Granted on 1808-10-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 946X | Oct. 28, 1808 | J. Cist | Black pigment or mineral black for printing ink or painting in oil or water | ||
| 947X | Oct. 28, 1808 | D. Pettibone | Rarefying air stove for warming rooms | stoves | |