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 = '216') AND (category.subclass = '73') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '216'; Subclass is '73';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1943 | ||||||
U | 2,331,041 | October 5, 1943 | Method of Surface Treating Glass Containers Treatment of interior surfaces of glass block |
NOBLE, Burton A. |
OI | Owens-Illinois Glass Co. |
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