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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 = '30') AND (category.subclass = '117') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '30'; Subclass is '117';

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T / S Patent Date Description Patentee Category Assigned To
U 2,341,309 February 8, 1944 Cutting Tool
Cutting tool to remove clay from inside a bushing
BETTINI, David Joseph
Cutting Tool Locke Insulator Corp.

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