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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 = '411') AND (category.subclass = '402') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '411'; Subclass is '402';

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T / S Patent Date Description Patentee Category Assigned To
 1882
U 258,061 May 16, 1882 Screw for Fastening Telegraph Wires
Metal screw with self-tying end for holding a telegraph wire.
HAVILAND, Andrew J.
Screw  
 1884
U 301,446 July 1, 1884 Insulator for Electric Wires
Hook with glazed covering (see 293,242 and 294,384)
HALE, Albert W.
Hook  
 1938
U 2,139,332 December 6, 1938 Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  

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