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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 = '403') AND (category.subclass = '241') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '403'; Subclass is '241';

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T / S Patent Date Description Patentee Category Assigned To
 1918
U 1,271,596 July 9, 1918 Insulator Support
Bracket for knobs		 MAYER, Walter S.
 Bracket Electric Service Supplies Co.

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