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 category DESC, date, 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 |
Machine | ||||||
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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