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| All Patents in class 159/38 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,507X | Mar. 18, 1836 | R.K. Cralle | Evaporating pan (Salt making) | evaporating apparatus | |
| AI263 | Jan. 24, 1860 | L. Lefebvre | Evaporating furnace for sugarjuice | ||
| 33,238 | Sep. 10, 1861 | C. Cory | Evaporating Pan | sugar cane apparatus | |