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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 = '301') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '403'; Subclass is '301';

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T / S Patent Date Description Patentee Category Assigned To
 1937
U 2,082,566 June 1, 1937 Connector
Steel connector for strain, suspensions, and other insulators		 BERNDT, Arthur A.
 Connector Electroline Corp.

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