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| Patents for J. Sellers Bancroft | |||||
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| Number | Date | Patentee | Title | Type | |
| 208,425 | Sep. 24, 1878 | J.S. Bancroft, W. Sellers | Injectors | water injectors | |
| 224,798 | Feb. 24, 1880 | J.S. Bancroft, W. Sellers | Injector for Feeding Boilers | water injectors | |
| RE9,407 | Oct. 12, 1880 | J.S. Bancroft, W. Sellers | Injector | water injectors | |