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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '24') AND (category.subclass = '598.5') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '24'; Subclass is '598.5';

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T / S Patent Date Description Patentee Category Assigned To
 1890
U 419,642 January 21, 1890 Insulator for Electric Wires
Split ring with split ring holder and lag screw		 CORNOG, Isaac P.
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