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Patents Granted on 1833-05-16 | |||||
Number | Date | Patentee | Title | Type | |
7,580X | May 16, 1833 | G. Upham, L.H. Emmons | Propelling machinery by balance lever | ||
7,581X | May 16, 1833 | J. Steece | Blowing blast furnace | industrial furnaces | |
7,582X | May 16, 1833 | H. Holton | Collars for horses |