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| Patents Granted on 1822-07-09 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,550X | Jul. 09, 1822 | W. Cumberland | Machine for dressing flax and hemp | flax and hemp machines | |
| 3,551X | Jul. 09, 1822 | M. McDonald | Machine for threshing etc. | ||