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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 = '313') AND (category.subclass = '35') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '313'; Subclass is '35';

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T / S Patent Date Description Patentee Category Assigned To
U 1,106,797 August 11, 1914 Electric Insulator
Suspension insulators
FAY, John L.
WAY, Sylvester B.

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