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| All Patents in class 315/226 | |||||
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| Number | Date | Patentee | Title | Type | |
| 568,177 | Sep. 22, 1896 | N. Tesla | Apparatus for producing ozone | ||
| 587,747 | Aug. 10, 1897 | P. Mueller | Igniter for Explosive Engines | ignition systems | |
| 2,076,275 | Apr. 06, 1937 | A.P. Jorgenson | Electric flasher | automobiles | |