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| Patents for William H. Severson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 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 | |
 | 365,448 | Jun. 28, 1887 | W.H. Severson | Hose-cart | |