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Patents Granted on 1833-03-25 | |||||
Number | Date | Patentee | Title | Type | |
7,499X | Mar. 25, 1833 | H.S. (Spielman), D. Miller | Plough | plows | |
7,500X | Mar. 25, 1833 | J. Tichanor | Window sash, blinds, and panel work machine | window making machines |