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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 = '248') AND (category.subclass = '353') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '248'; Subclass is '353';

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T / S Patent Date Description Patentee Category Assigned To
 1903
U 737,027 August 25, 1903 Insulator
Self-tying slot top (see Brown No. 1 p. 128)		 RUTLEDGE, William G.
 Self-tying Slot Top  

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