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 = '432') AND (category.subclass = '208') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '432'; Subclass is '208';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1909 | ||||||
U | 925,864 | June 22, 1909 | Glass Furnace Glass furnace designed to be tilted in order to pour out molten glass |
BROOKE, Homer |
Glass |
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