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| Patents for James Stewart | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,608X | Nov. 14, 1822 | J. Stewart | Detached sounding board for pianos | music instrument maker | |
| 5,257X | Oct. 24, 1828 | J. Stewart | Application of water to flutter wheels | ||
| 6,645X | Jul. 20, 1831 | J. Stewart | Making hooks and eyes | ||