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| All Patents in class 252/62 | |||||
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| Number | Date | Patentee | Title | Type | |
| FX-8,952 | Jul. 07, 1835 | S. Couillard | Wool combing | spinner | |
| 126,121 | Apr. 23, 1872 | J.F. Wood | Improvement in compositions for rendering safes, vaults, &c., fire-proof | ||