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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 = '74') AND (category.subclass = '462') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '74'; Subclass is '462';

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T / S Patent Date Description Patentee Category Assigned To
U 1,222,255 April 10, 1917 Standard Fence Stay Anchor Rod and Lightning Rod
Lightning rod for barbed wire fence
Lightning Rod Fence  

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