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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 = '137') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '249'; Subclass is '137';

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T / S Patent Date Description Patentee Category Assigned To
 1964
U 3,155,479 November 3, 1964 Centrifugal Molds and Method of Forming Hollow Articles
Glass TV Tube Molds		 ZIMMERMAN, George
 OI Owens-Illinois Glass Co.

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