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| All Patents in class 126/109 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,120X | Mar. 29, 1834 | J. Bouis | Hot air furnace or apparatus for warming rooms | ||
| 7,143 | Mar. 05, 1850 | J. MacGregor, Jr. | Heating-furnace | ||