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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 = '118') AND (category.subclass = '58') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '118'; Subclass is '58';

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T / S Patent Date Description Patentee Category Assigned To
 1943
U 2,329,114 September 7, 1943 Coating Ceramic Articles
Glazing a porcelain insulator by spraying a uniform coating on the surface		 FISCHER, Eugene H.
 Manufacturing Westinghouse Electric & Mfg. Co.

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