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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 = '524') AND (category.subclass = '413') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '524'; Subclass is '413';

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T / S Patent Date Description Patentee Category Assigned To
 1959
U 2,879,323 March 24, 1959 Electrical Insulating Cement
Cement made from synthetic resin to bond metal to porcelain		 NICHOLS, Frank S.
SMITH, JR., Sidney R.
 Cement General Electric Co.

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