|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 = '428') AND (category.subclass = '410') ORDER BY patent ASC, type|
Total of 1 patents found where: Class is '428'; Subclass is '410';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||4,757,162||July 12, 1988||Rigid Electrical Insulator Including a Lightly Tempered Soda-Lime Glass Dielectric
Glass insulator with controlled stress and compression
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