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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 = '425') AND (category.subclass = '451') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '425'; Subclass is '451';

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T / S Patent Date Description Patentee Category Assigned To
 1945
U 2,383,556 August 28, 1945 Mold Lock
Mold lock for glass block molds		 LOUDEN, Harry M.
MCCREERY, Cecil W.
 OI Owens-Illinois Glass Co.

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