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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 = '174') AND (category.subclass = '98') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '174'; Subclass is '98';

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T / S Patent Date Description Patentee Category Assigned To
 1882
U 252,857 January 24, 1882 Insulator for Telegraph Wires
Insulators strung on wires to separate groups of wires in a tube		 GORE, Charles L.
 Insulator 1/4 to John Townsend
 1883
U 270,379 January 9, 1883 Lightning Rod
Lightning rod made of hollow copper filled with non-metallic material and special connectors on each end		 BRANDON, John H.
 Lightning Rod  

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