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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 = '264') AND (category.subclass = '635') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '264'; Subclass is '635';

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T / S Patent Date Description Patentee Category Assigned To
 1904
U 774,765 November 15, 1904 Art and Method of Manufacturing Earthenware Insulators
Earthenware, manufacture of		 LOCKE, Fred M.
 Earthenware  

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