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| Patents Granted on 1833-05-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,601X | May 31, 1833 | E.B. Rice, W. Butler | Method of casting boxes for wheels of carriages | ||
| 7,602X | May 31, 1833 | G. Griffen | Propelling horse power | animal powered apparatus | |