|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 = '375') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '403'; Subclass is '375';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||64,654||May 14, 1867||Improvement in Insulators
CD 732.2, threadless insulator with enlarged chamber for slotted pin (CJ 6-93-12)
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