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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 = '65') AND (category.subclass = '308') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '65'; Subclass is '308';

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T / S Patent Date Description Patentee Category Assigned To
 1897
U 588,795 August 24, 1897 Glass Press
Press for making insulators
HEMINGRAY, Ralph G.
Press  
 1932
U 1,844,549 February 9, 1932 Glass Working Machine
Press for making glass insulators
HEADLEY, Benjamin T.
DU BOIS, David Irvin
KOOB, Bernard H.
LOBB, Frank H.
Press Whitall Tatum Co.

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