|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|
|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.
|U||301,446||July 1, 1884||Insulator for Electric Wires
Hook with glazed covering (see 293,242 and 294,384)
|HALE, Albert W.
|U||2,139,332||December 6, 1938||Wire Holder
Wireholder with lag screw
|PITTMAN, Ralph R.
WALSH, Carroll H.
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