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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 = '218') AND (category.subclass = '89') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '218'; Subclass is '89';

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T / S Patent Date Description Patentee Category Assigned To
 1932
U 1,883,671 October 18, 1932 Insulator Bracket and Support
Bracket for rack spools with a plurality of spools for mounting on a building		 FORT, Louis
 Bracket  

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