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| Patents for Elizabeth H. Bulkley, widow of C. Bulkley | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,018X | Feb. 28, 1828 | C. Bulkley, deceased (Estate of), E.H. Bulkley, widow of C. Bulkley | Manufacturing of Shovels of Cast Steel and Iron, or of any other Steel and Iron, by Welding and Rolling the Steel and Iron together | making scythes | |