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| Patents for Blanche Hogan | |||||
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| Number | Date | Patentee | Title | Type | |
| 802,119 | Oct. 17, 1905 | F. Schraudner | Overhead-railway switch | track and switches | |
| 824,610 | Jun. 26, 1906 | H.L. Whitman | Friction-clutch | industrial machine clutches | |