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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 = '403') AND (category.subclass = '24') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '403'; Subclass is '24';

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T / S Patent Date Description Patentee Category Assigned To
 1891
U 448,395 March 17, 1891 Insulator
Suspension type (2-part wooden) for trolley wires		 WHEELER, George K.
 Suspension  

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