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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 = '264') AND (category.subclass = '279') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '264'; Subclass is '279';

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T / S Patent Date Description Patentee Category Assigned To
 1929
U 1,733,729 October 29, 1929 Method of Casting Link-Type Insulators
Manufacturing method to cast Hewlett type suspension disks		 GOUVERNEUR, Minor F. H.
STEVENS, Frank J.
 Manufacturing Locke Insulator Corp.

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