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 = '87') AND (category.subclass = '8') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '87'; Subclass is '8';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1911 | ||||||
U | 1,004,681 | October 3, 1911 | Lightning Rod Cable Light weight, flexible conductor cable made of twisted and braided wires |
PARKER, Edward Henry |
Lightning Rod |
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