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 = '211') AND (category.subclass = '69.2') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '211'; Subclass is '69.2';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1883 | ||||||
D | 13,996 | June 19, 1883 | Design for an Inkstand Inkstand |
GRAY, Lawrence B. |
Ink |
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