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| All Patents of Type: teacher | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,770X | Jun. 26, 1812 | T. Weston | Plummets of Lead Used in Teaching Wrifford's Art of Writing | teacher | |
| 5,981X | May 20, 1830 | C. Varle | Self instructor | teacher | |