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| All Patents in class 314/111 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 511,049 | Dec. 19, 1893 | G.S. Junginger, A. Hormel | Electric-arc lamp | |
| 685,426 | Oct. 29, 1901 | J.A. Mosher | Electric Arc Lamp | ||