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 = '74') AND (category.subclass = '462') ORDER BY description ASC, date, patent, type |
Total of 1 patents found where: Class is '74'; Subclass is '462';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1917 | ||||||
U | 1,222,255 | April 10, 1917 | Standard Fence Stay Anchor Rod and Lightning Rod Lightning rod for barbed wire fence |
ALVERSON, Lewis |
Lightning Rod Fence |
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