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| Patents for James MacDonald | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,581X | Aug. 31, 1822 | J. MacDonald | Machine for dressing flax and hemp | flax and hemp machines | |
| 3,641X | Jan. 18, 1823 | J. MacDonald | Machine for dressing flax and hemp | flax and hemp machines | |