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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 = '425') AND (category.subclass = '353') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '425'; Subclass is '353';

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T / S Patent Date Description Patentee Category Assigned To
 1909
U 934,930 September 21, 1909 Insulator Pressing Machine
Press for making porcelain insulators		 MCCANN, Thomas T.
 Press  

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