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 = '294') AND (category.subclass = '31.2') ORDER BY category ASC, date, patent, type |
Total of 1 patents found where: Class is '294'; Subclass is '31.2';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
HU | ||||||
U | 1,456,716 | May 29, 1923 | Bail Attaching Means Kerosene jar bail |
RESEK, Marc |
HU | The Cleveland Metal Products Co. |
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