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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 = '29') AND (category.subclass = '564') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '29'; Subclass is '564';

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T / S Patent Date Description Patentee Category Assigned To
 1934
U 1,983,935 December 11, 1934 Mechanism for Forming Insulator Brackets and the Like
Machine for making brackets for rack spool wireholders
FASSINGER, Charles
Machine Oliver Iron & Steel Corp.

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