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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 = '315') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '403'; Subclass is '315';

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T / S Patent Date Description Patentee Category Assigned To
 1928
U 1,657,924 January 31, 1928 Chain Link for Insulators
Link for Hewlett suspension insulator		 GOUVERNEUR, Minor F. H.
GOUVERNEUR, Fairfax H.
 Suspension Locke Insulator Corp.
 1935
U 1,998,406 April 16, 1935 Insulator Suspension Hardware
Links for Hewlett type suspension disks		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.

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