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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 = '256') AND (category.subclass = '1') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '256'; Subclass is '1';

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T / S Patent Date Description Patentee Category Assigned To
 1885
U 317,908 May 12, 1885 Electric Conductor for Wire Fence
Lightning protection for wire fence
WILLIAMSON, Charles
Lightning Rod Fence  

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