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| Patents for J. Brown | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,196X | Sep. 24, 1825 | G. Robinson, J. Brown | Mode of securing lightning rods to houses | ||
| 4,361X | Mar. 16, 1826 | G.W. Robinson, J. Brown | Fire proof window shutters | ||
| 4,369X | Mar. 24, 1826 | G.W. Robinson, J. Brown | Rack bolts for doors | ||