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| Patents for Alpheus Babcock | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,292X | Dec. 17, 1825 | A. Babcock | Metal frame for piano fortes | music instrument maker | |
| 5,995X | May 24, 1830 | A. Babcock | Cross stringing piano forte | ||
| 7,916X | Dec. 31, 1833 | A. Babcock | Construction and action of piano forte | music instrument maker | |