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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 = '404') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '285'; Subclass is '404';

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T / S Patent Date Description Patentee Category Assigned To
U 113,530 April 11, 1871 Improvement in Lightning Rods
Lightning rods connected with a tubular metal dowel
KING, Lewis
Lightning Rod Coupling  
R 9,145 April 13, 1880 Lightning Rod Coupling
Lightning rod coupling with one tapered end to fit snugly in the other end (see 214,545)
BACON, Elmore C.
Lightning Rod Coupling  

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