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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 = '313') AND (category.subclass = '49') ORDER BY date ASC, patent, type

Total of 4 patents found where: Class is '313'; Subclass is '49';

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T / S Patent Date Description Patentee Category Assigned To
 1882
U 262,210 August 8, 1882 Combined Insulator, Lightning arrester, and Connector
Combined insulator, lightning arrestor and connector
ECKERT, William
ECKERT, Edward
SEELY, John
Lightning Arrestor  
 1908
U 892,822 July 7, 1908 Pole Top Cap
Metal pole top cap with insulator support and lateral extension to support protector wire
FRASER, James William
Bracket  
 1918
U 1,264,396 April 30, 1918 Lightning Arrester
Lightning arrester attached to M-3021
HAYS, Frederick W.
Lightning Arrester/M-3021  
U 1,283,651 November 5, 1918 Lightning Arrester
Lightning arrester with hole through top of insulator similar to U-70.
BUCHANAN, Sutton R.
Lightning Arrester/U-70  

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