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| Patents for Frederick J. L. Blandy | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 43,387 | Jul. 05, 1864 | H. Blandy, F.J. Blandy | Improvement in pump-gear | |
![]() | 43,471 | Jul. 12, 1864 | H. Blandy, F.J. Blandy | Improvement in Valve-Gear for Steam-Engines | |