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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 = '249') AND (category.subclass = '115') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '249'; Subclass is '115';

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T / S Patent Date Description Patentee Category Assigned To
 1940
U 2,201,049 May 14, 1940 Glass Fabrication Process and Mold
Glass bushing making process		 MOORE, Roy W.
 Manufacturing General Electric Co.

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