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 = '52') AND (category.subclass = '323') ORDER BY description ASC, date, patent, type |
Total of 2 patents found where: Class is '52'; Subclass is '323';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1935 | ||||||
U | 1,991,469 | February 19, 1935 | Building Block Block with interior partition, separate lid |
SLAYTER, Games |
OI | Owens-Illinois Glass Co. |
1938 | ||||||
U | 2,114,732 | April 19, 1938 | Building Block Blocks with corrugated edges |
ANDEREGG, Frederick O. |
OI | Owens-Illinois Glass Co. |
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