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| Patents for Blanche Hogan | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 802,119 | Oct. 17, 1905 | F. Schraudner | Overhead-railway switch | |
 | 802,737 | Oct. 24, 1905 | E.E. Davis | Expansion boring-tool | |
 | 824,610 | Jun. 26, 1906 | H.L. Whitman | Friction-clutch | |