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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 = '460') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '460';

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T / S Patent Date Description Patentee Category Assigned To
 1885
U 328,071 October 13, 1885 Grain Stack Protector
Lightning protection for grain stacks using a portable system		 SCHAUER, Florian
 Lightning Rod  

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