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| All Patents in class 434/159 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,369X | Feb. 16, 1829 | J.B. Manning | Art of alphabetical writing, called lektography | ||
| 5,386X | Mar. 03, 1829 | J. Wood | Mode of making brick, tile, and other clay ware | brick maker | |