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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 = '403') AND (category.subclass = '364') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '403'; Subclass is '364';

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T / S Patent Date Description Patentee Category Assigned To
 1889
U 400,464 April 2, 1889 Lightning Rod and Coupling
Coupling burr with serrated ends that interlock with the rod sections
LAWSHE, Spencer R.
Lightning Rod Coupling  
 1916
U 1,206,158 November 28, 1916 Safety Strain Insulator
Suspension made of Electrose with special interlocking links
STEINBERGER, Louis
Suspension  

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