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 = '160') ORDER BY category DESC, date, patent, type |
Total of 1 patents found where: Class is '160';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
OI | ||||||
U | 2,738,838 | March 20, 1956 | Glass Block Ventiliating Device Operable glass block vent |
SUTTER, John H. |
OI | Owens-Illinois Glass Co. |
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