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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 = '313') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '264'; Subclass is '313';

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T / S Patent Date Description Patentee Category Assigned To
 1952
U 2,582,922 January 15, 1952 Apparatus for Molding Articles
Press that can be adapted for insulator manufacture		 CROWLEY, Henry L.
HOSSENLOPP, Arthur M.
 Press Henry L. Crowley & Co., Inc.

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