| 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 = '248') AND (category.subclass = '230.3') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '248'; Subclass is '230.3';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1910 | ||||||
| U | 964,376 | July 12, 1910 | Insulator Support Bracket for pin that clamps around crossarm |
BLACKBURN, Jasper |
Bracket | |
| 1949 | ||||||
| U | 2,468,907 | May 3, 1949 | Electric Fence Post Electric fence composed of a rod and an easily adjustable insulator to hold the conductor |
WILSON, Robert M. PHILLIPS, Goddie F. |
Fence | |
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