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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 = '343') AND (category.subclass = '874') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '343'; Subclass is '874';

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T / S Patent Date Description Patentee Category Assigned To
 1935
U 2,003,225 May 28, 1935 Guy Insulating and Grading Means
Guy strain insulator for radio antenna guy wires		 VROOMAN, Edward C.
 Antenna Locke Insulator Corp.

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