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| Patents for Frank Larson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 192,975 | Jul. 10, 1877 | F. Larson, W.E. Canedy | Portable Forge | |
 | 203,470 | May 07, 1878 | F. Larson, F.D. Livermore | Improvement in sleigh-knees | |