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| All Patents in class 239/416 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,377,479 | May 10, 1921 | C.C. Hansen | Liquid-fuel burner | fuel burners | |
| 1,688,320 | Oct. 23, 1928 | A.J. Bassett | Mixing Device for Oil Gas Apparatus | oil gas apparatus | |