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| Patents Granted on 1827-12-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,956X | Dec. 31, 1827 | B. Murphy | Cotton planter plough | plows | |
| 4,957X | Dec. 31, 1827 | W. Kendall | Reciprocating saw mill | reciprocating sawmills | |