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| Patents Granted on 1833-04-27 | |||||
| Number | Date | Patentee | Title | Type | |
| 7,557X | Apr. 27, 1833 | H. Dewey | Thrashing machine, hanging the beaters | threshers and thrashers | |
| 7,558X | Apr. 27, 1833 | T. Spring | Machine for Cutting and Destroying Bogs and Bushes | mowing machines | |