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| Patents for Timothy Showerman | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,167X | Jul. 20, 1825 | T. Showerman | Construction of cider mills | cider mills | |
| 7,144X | Jun. 27, 1832 | T. Showerman | Propelling machinery by horse power | animal powered apparatus | |