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| Patents Granted on 1813-05-06 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,920X | May 06, 1813 | I. Millard | Flax and hemp breaking | flax and hemp machines | |
| 1,921X | May 06, 1813 | D. Pettibone | Manufacturing plane irons and scythes | plane maker | |
| 1,922X | May 06, 1813 | J. Smelzer | Flour worm for cooling flour (millstone exhaust) | miller | |