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Patents for H. C. Silsby | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 6,500 | Jun. 05, 1849 | B. Holly | Pump | |
![]() | 182,723 | Sep. 26, 1876 | W.H. Severson, H. Tyler | Improvement in hose-couplings | |
![]() | 182,724 | Sep. 26, 1876 | W.H. Severson, H. Tyler | Improvement in tube-expanders |