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| Patents for Charles Varle | |||||
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| Number | Date | Patentee | Title | Type | |
| 687X | May 02, 1806 | C. Varle | Reducing calcareous matters into lime | ||
| 2,163X | Jul. 01, 1814 | C. Varle | Stove chimneys | stove pipes | |
| 5,981X | May 20, 1830 | C. Varle | Self instructor | teacher | |