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| All Patents in class 52/204.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,766X | Apr. 14, 1835 | J. Lippincot, J. Hillyear | Tanning hides | ||
| 9,171X | Oct. 14, 1835 | J.S. Stoddard | Cast iron window sash | ||