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| Patents Granted on 1811-05-10 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,510X | May 10, 1811 | T. Armat | Machine for weighing hay, live cattle, etc. | hay or straw scales | |
| 1,511X | May 10, 1811 | E. Gibson | Bodies of carriages called standing roof landau | ||