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| Patents for Frederick J. L. Blandy | |||||
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| Number | Date | Patentee | Title | Type | |
| 43,387 | Jul. 05, 1864 | H. Blandy, F.J. Blandy | Improvement in pump-gear | feedwater apparatus | |
| 43,471 | Jul. 12, 1864 | H. Blandy, F.J. Blandy | Improvement in valve-gear for steam-engines | ||