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| Patents for Edwin M. Chaffee | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,946X | Jan. 09, 1834 | E.M. Chaffee | India rubber hose | ||
| 8,207X | May 17, 1834 | E.M. Chaffee | Boots and shoes from India rubber leather | ||