| 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 = '182') ORDER BY date ASC, patent, type |
Total of 3 patents found where: Class is '403'; Subclass is '182';
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 |
| 1884 | ||||||
| U | 297,290 | April 22, 1884 | Coupling for Lightning Rods Coupling for spiraling lightning rods such that each end of the rod is screwed into the other |
PATEE, Theodorus H. |
Lightning Rod Coupling | |
| 1892 | ||||||
| U | 488,046 | December 13, 1892 | Insulator Strain type |
WIRT, Charles |
Strain | |
| 1937 | ||||||
| U | 2,082,566 | June 1, 1937 | Connector Steel connector for strain, suspensions, and other insulators |
BERNDT, Arthur A. |
Connector | Electroline Corp. |
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