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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 = '285') AND (category.subclass = '148.9') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '285'; Subclass is '148.9';

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T / S Patent Date Description Patentee Category Assigned To
 1877
U 192,718 July 3, 1877 Improvement in Couplings for Lightning Rods
Coupling for tubular lightning rods with male and female parts allowing the ends to be screwed together		 SMITH, Charles H.
 Lightning Rod Coupling  

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