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 = '65') AND (category.subclass = '17.5') ORDER BY type ASC, date, patent |
Total of 1 patents found where: Class is '65'; Subclass is '17.5';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1915 | ||||||
U | 1,136,504 | April 20, 1915 | Glass and Art of Making the Same Glass made from cullet with lime and clay added |
BROOKFIELD, Henry M. |
Glass |
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