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All Patents in class 431/247 | |||||
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Number | Date | Patentee | Title | Type | |
6,480X | Apr. 15, 1831 | S. Andrews | Generating gas and continuing light from oil | ||
6,541X | May 05, 1831 | S. Andrews | Generating gas by means of a spirit lamp | household tools | |
7,049X | May 10, 1832 | S. Andrews | Gas lamp | household tools | |
919,176 | Apr. 20, 1909 | W.X. Stevens, A.F. Johns | Oil-burner | fuel burners |