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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 = '319') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '285'; Subclass is '319';

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T / S Patent Date Description Patentee Category Assigned To
 1882
U 266,075 October 17, 1882 Lightning Rod Joint or Coupling
Internal coupling for hollow lightning rods that can be pinned to the rod		 BALL, Charles E.
 Lightning Rod Coupling  

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