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| Patents for M. B. May | |||||
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| Number | Date | Patentee | Title | Type | |
| 649,939 | May 22, 1900 | S.M. De Merritt, E.R. Leighton | Seam Ripper | sewing tools | |
| D34,096 | Feb. 19, 1901 | A.W. Stephens | Bottle Seal Remover | combination cork extractors | |