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 = '313') AND (category.subclass = '324') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '313'; Subclass is '324';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1904 | ||||||
U | 761,814 | June 7, 1904 | Combined Insulator and Fuse Box Combined insulator and fuse box (see CJ & Brown's Unique p. 67) |
BEARSE, Aaron |
Combined Ins | |
1918 | ||||||
U | 1,283,651 | November 5, 1918 | Lightning Arrester Lightning arrester with hole through top of insulator similar to U-70. |
BUCHANAN, Sutton R. |
Lightning Arrester/U-70 |
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