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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 = '575') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '425'; Subclass is '575';

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T / S Patent Date Description Patentee Category Assigned To
 1892
U 485,282 November 1, 1892 Machine for Molding Marbles or Other Articles from Clay &c.
Machine for molding marbles from clay or plastic material
LANG, Matthew
Machine  

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