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| Patents Granted on 1811-10-15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,593X | Oct. 15, 1811 | W. Harper | Breaking flax and hemp | flax and hemp machines | |
| 1,594X | Oct. 15, 1811 | J. Sizer | Circular boilers | stationary boilers | |