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| All Patents in class 202/185.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,986X | Feb. 04, 1828 | W.J. Cocke | Mode of distilling spirituous liquors | ||
| 7,126X | Jun. 22, 1832 | W. McCay | Method of extracting alcohol by the process by distillation, used in stiffening hats | ||