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| All Patents in class 307/10.6 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,433,715 | Dec. 30, 1947 | A.L. Brownlee, S.K. Smart | Ignition apparatus | ignition systems | |
| 2,433,887 | Jan. 06, 1948 | A.L. Brownlee | Ignition apparatus | ignition systems | |