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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 = '270') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '337'; Subclass is '270';

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T / S Patent Date Description Patentee Category Assigned To
 1912
U 1,014,854 January 16, 1912 Electric Cut Out
Knife type fuse holder or fuse cut-out		 SARGENT, Howard R.
 Fuse Holder General Electric Co.

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