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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 = '57') ORDER BY specimen DESC, date, patent, type

Total of 6 patents found where: Class is '256'; Subclass is '57';

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T / S Patent Date Description Patentee Category Assigned To
 1892
U 475,781 May 31, 1892 Electric Wire Holder
Tie wire made of a loop of wire with pre-formed loops on the ends to connect together and curved to interlock with the line wire
LLOYD, Edwin L.
Tie Wire  
 1893
U 491,208 February 7, 1893 Insulator Clip
Tie wire clip
EDMUNDS, William H.
Tie Wire  
 1897
U 574,828 January 5, 1897 Insulator
Hanger insulator for end of pole or other support
SMOCK, Benjamin D.
Hanger  
 1908
U 882,095 March 17, 1908 Wire Tie for Insulators
Tie wire clip
CALLANE, Waldo E.
Tie Wire  
 1911
U 996,782 July 4, 1911 Insulator
Crossover
MOORE, William S.
Crossover  
 1931
U 1,837,259 December 22, 1931 Hanger for Cables and the Like
2-part spool cable hanger held together with a metal bracket
FITZPATRICK, Ray
Hanger  

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