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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 = '52') AND (category.subclass = '736.2') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '52'; Subclass is '736.2';

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T / S Patent Date Description Patentee Category Assigned To
 1907
U 857,101 June 18, 1907 Cross Arm for Towers
Cross arm with pins for insulators made of hollow cylindrical steel similar to pipe
NOYES, La Verne W.
Pin  
 1912
U 1,029,207 June 11, 1912 Insulator Support
Crossarm composed of reinforced concrete
MEGAHAN, Oliver P.
Crossarm  
 1916
U 1,194,690 August 15, 1916 Telephone and Telegraph Pole Construction
Bracket and pin supports made of metal and attached to crossarm whereby the pins slide on the bracket for adjustment of position
ADAMS, Harry E.
Pin/bracket  

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