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| All Patents in class 310/216.002 | |||||
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| Number | Date | Patentee | Title | Type | |
| 491,695 | Feb. 14, 1893 | J.J. Wood | Alternating Current Dynamo Electric Machine | electric generators | |
| 511,196 | Dec. 19, 1893 | O.F. Conklin | Electric motor | fans | |