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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 = 'D7') AND (category.subclass = '313') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is 'D7'; Subclass is '313';

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T / S Patent Date Description Patentee Category Assigned To
 1926
U 1,574,495 February 23, 1926 Beverage Dispenser
Syrup dispenser for beverages		 LOOK, Carrol A.
 McLaughlin  

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