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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 = '55') ORDER BY date ASC, patent, type

Total of 5 patents found where: Class is '256'; Subclass is '55';

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T / S Patent Date Description Patentee Category Assigned To
 1902
U 713,904 November 18, 1902 Insulator for Telegraph Lines
Self-tying screw top
MURRAY, John E.
Self-tying Screw Top  
 1904
U 753,398 March 1, 1904 Cleat for Electric Wiring
Knob - 2-piece with base cut at an angle
HUNT, Emory C.
Knob 1/2 to Charles Snyder
 1905
U 789,573 May 9, 1905 Insulator
Self-tying with metal screw plug in top of crown
STEINBERGER, Louis
Self-tying Miscellaneous  
 1909
U 931,480 August 17, 1909 Wire Bender
Hand tool to quickly bend tie-wire and secure it around the insulator.
PRATT, John Sedgwick
Wire Bender/tie-wire  
 1912
U 1,032,153 July 9, 1912 Insulator
Self-tying miscellaneous
NEMES, Mike
Self-tying Miscellaneous  

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