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 = '362') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '403'; Subclass is '362';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1918 | ||||||
U | 1,271,596 | July 9, 1918 | Insulator Support Bracket for knobs |
MAYER, Walter S. |
Bracket | Electric Service Supplies Co. |
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