| 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 = '52') AND (category.subclass = '165') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '52'; Subclass is '165';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1885 | ||||||
| U | 317,908 | May 12, 1885 | Electric Conductor for Wire Fence Lightning protection for wire fence |
WILLIAMSON, Charles |
Lightning Rod Fence | |
| 1895 | ||||||
| U | 538,603 | April 30, 1895 | Lightning Rod Hollow lightning rod with cup to divert water into the lower sections of the rod to improve conduction of current to ground |
SIMPSON, Harvey |
Lightning Rod | |
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