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 = '182') AND (category.subclass = '187') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '182'; Subclass is '187';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1915 | ||||||
U | 1,152,211 | August 31, 1915 | Secondary Rack Secondary rack built away from the pole. |
PEIRCE, JR., Charles L. |
Secondary Rack |
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