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| All Patents in class 314/82 | |||||
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| Number | Date | Patentee | Title | Type | |
| 255,795 | Apr. 04, 1882 | N.S. Keith | Electric Light Regulator | electric arc lamps | |
| 1,031,352 | Jul. 02, 1912 | J.C. Lincoln | Electric Arc Lamp | electric arc lamps | |