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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 = '218.2') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '248'; Subclass is '218.2';

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T / S Patent Date Description Patentee Category Assigned To
 1905
U 794,645 July 11, 1905 Insulator Bracket for Telephone Poles, etc.
Wire device to secure a side pin to a pole		 SPRINGEN, Knudt G.
 Pin  

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