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| All Patents in class 322/41 | |||||
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| Number | Date | Patentee | Title | Type | |
| 643,087 | Feb. 06, 1900 | D. Drawbaugh | Electric Generator for Sparking Apparatus of Gas Engines | magnetos | |
| 1,143,008 | Jun. 15, 1915 | C.E. Willey | Automobile or train lighting system | ||