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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 = '264') AND (category.subclass = '72') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '264'; Subclass is '72';

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T / S Patent Date Description Patentee Category Assigned To
 1961
U 2,972,783 February 28, 1961 Method for Fabricating Glass Block Panels
Toplite skylight glass block panels		 RUSSELL, Richard G.
THEISEN, Jean P.
STARK, Charles H.
 KI Kimble Glass Co.

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