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| All Patents in class 307/109 | |||||
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| Number | Date | Patentee | Title | Type | |
| 413,353 | Oct. 22, 1889 | N. Tesla | Method of Obtaining Direct from Alternating Currents | ||
| 454,622 | Jun. 23, 1891 | N. Tesla | System of electric lighting | ||
| 455,067 | Jun. 30, 1891 | N. Tesla | Electro-magnetic motor | multiphase motors | |
| 464,666 | Dec. 08, 1891 | N. Tesla | Electro-Magnetic Motor | ||