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| Patents for John C. Brush | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,054X | Jan. 28, 1814 | J.C. Brush | Chimney fire places, air-flues, and ventilators, on the principle of dense air seeking, like water, its level | ||
| 3,122X | Aug. 19, 1819 | J.C. Brush | Improvement on close and open fire places | ||