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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 = '239') AND (category.subclass = '567') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '239'; Subclass is '567';

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T / S Patent Date Description Patentee Category Assigned To
 1944
U 2,362,433 November 7, 1944 Nozzle
Nozzle for glass block dehydrating mechanism		 FERGUSON, John E.
MCCREERY, Cecil W.
 OI Owens-Illinois Glass Co.

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