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| Patents for H. B. Munn | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 79,021 | Jun. 16, 1868 | J. Souther | Steam Safety Valve | |
 | 100,458 | Mar. 01, 1870 | H.S. Shepardson | Curved or segmental sliding jaws | |
 | 110,176 | Dec. 13, 1870 | W.G. Ward | Nail Extractor | |
 | 164,368 | Jun. 15, 1875 | C. Fenton | Pipe Tongs and Cutters | |