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| Patents for Joseph B. Underwood | |||||
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| Picture | Number | Date | Patentee | Title | |
| 177,592 | May 16, 1876 | J.B. Underwood | Method of Roasting Coffee | ||
| 196,274 | Oct. 16, 1877 | J.B. Underwood | Combined Coffee Roaster and Cooler | ||
| 204,635 | Jun. 04, 1878 | J.B. Underwood | Coffee Roaster | ||