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| All Patents in class 425/346 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,344X | Dec. 28, 1832 | D. Flagg, Jr., A. Parker | Brick, stock, tile, etc. | brick maker | |
| 9,588X | Apr. 13, 1836 | N. Adams | Brick machine | brick maker | |