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 = '403') AND (category.subclass = '348') ORDER BY assigned_to ASC, date, patent, type |
Total of 1 patents found where: Class is '403'; Subclass is '348';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
U | 305,140 | September 16, 1884 | Lightning Rod Coupling Coupling for tubular lightning rods |
BRADLEY, Sylvester |
Lightning Rod Coupling |
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