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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 = '337') AND (category.subclass = '180') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '337'; Subclass is '180';

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T / S Patent Date Description Patentee Category Assigned To
 1941
U Specimen known 2,246,807 June 24, 1941 Fuse Switch
Fuse holder and switch		 MCCLUSKEY, Francis J.
GOLDNER, George W.
 Fuse Holder James R. Kearney Corp.

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