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| All Patents in class 248/645 | |||||
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| Number | Date | Patentee | Title | Type | |
| 790,377 | May 23, 1905 | C.R. Meston | Fan-base adjustment | ||
| 863,214 | Aug. 13, 1907 | W.F. Phelps | Supporting-base for electric fans | fans | |