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All Patents in class 431/247
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,480XApr. 15, 1831S. AndrewsGenerating gas and continuing light from oil
6,541XMay 05, 1831S. AndrewsGenerating gas by means of a spirit lamphousehold tools
7,049XMay 10, 1832S. AndrewsGas lamphousehold tools
919,176Apr. 20, 1909W.X. Stevens, A.F. JohnsOil-burnerfuel burners
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