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| All Patents in class 425/347 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,899X | Jul. 02, 1836 | C. Waterman | Brick Machine | brick maker | |
| AI151 | Sep. 09, 1856 | G. Crangle | Rotary brick machine | manufacturing bricks and tiles | |
| 63,342 | Mar. 26, 1867 | T.J. Wells | Improved peat machine | peat bog apparatus | |