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| All Patents in class 314/109 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 302,553 | Jul. 29, 1884 | W.K. Freeman | Electric Arc Lamp | ||
 | 334,023 | Jan. 12, 1886 | J.A. Jenney | Arc-lamp regulator | |
| 335,786 | Feb. 09, 1886 | N. Tesla | Electric-Arc Lamp | ||
| 335,787 | Feb. 09, 1886 | N. Tesla | Electric-Arc Lamp | ||
| 422,512 | Mar. 04, 1890 | R. Eickemeyer | Electro-magnet | ||
| 678,208 | Jul. 09, 1901 | C.H. Way | Inclosed Arc Lamp | ||