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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 = '137') AND (category.subclass = '579') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '137'; Subclass is '579';

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T / S Patent Date Description Patentee Category Assigned To
U 588,318 August 17, 1897 Apparatus for Manufacturing Articles of Glass
Method of keeping glass molten and delivering it to the press
Manufacturer 3/8 to John C. Grout

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