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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 = '65') AND (category.subclass = '60.6') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '65'; Subclass is '60.6';

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T / S Patent Date Description Patentee Category Assigned To
 1934
U 1,960,147 May 22, 1934 Insulator and Method of Treating It
Suspension, glass under cap is etched & treated with graphite		 FULCHER, Gordon S.
 Suspension Corning Glass Works

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