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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 = '249') AND (category.subclass = '108') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '249'; Subclass is '108';

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T / S Patent Date Description Patentee Category Assigned To
 1919
U 1,304,571 May 27, 1919 Mold for Forming Insulators or Other Porcelain Objects
Mold for bushing with undercut petticoats formed by the casting process by pouring in clay slip		 KIRK, Charles J.
BRAIN, GEORGE
 Mold  

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