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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 = '230.8') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '248'; Subclass is '230.8';

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T / S Patent Date Description Patentee Category Assigned To
 1906
U 814,613 March 6, 1906 Insulator Pin
Pin (metal) bracket using split sheet metal threads		 MACKEAN, Frank
 Pin  
 1912
U 1,048,587 December 31, 1912 Wire Holder for Insulators
Tie wire clip		 REIFFER, Anthony J.
MAYS, David P.
 Tie Wire  

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