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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 = '205') AND (category.subclass = '206') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '205'; Subclass is '206';

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T / S Patent Date Description Patentee Category Assigned To
 1971
U 3,589,986 June 29, 1971 Method of Fabricating a Glass Forming Apparatus
Plating of molds with Chromium for glass blocks & TV faceplates		 NULL, Carroll Thomas
 OI Owens-Illinois Glass Co.

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