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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 = '211') AND (category.subclass = '182') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '211'; Subclass is '182';

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T / S Patent Date Description Patentee Category Assigned To
 1865
U 49,633 August 29, 1865 Joints of Lightning Rods
Joint or coupling for tubular lightning rod that slips over the rod and secured with a screw		 KING, L.
 Lightning Rod Coupling  

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