| 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 = '174') AND (category.subclass = '41') ORDER BY date ASC, patent, type |
Total of 3 patents found where: Class is '174'; Subclass is '41';
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 |
| 1883 | ||||||
| U | 279,289 | June 12, 1883 | Telegraph and Telephone Line Use of copper wire instead of iron and crossarms between poles to keep the wires separated |
VALE, Theodore N. |
Miscellaneous | |
| 1959 | ||||||
| U | 2,912,482 | November 10, 1959 | Aerial Cable Support and Spacer Support and spacer for multiple electrical power lines |
HORROCKS, Raymond G. MILLER, Carroll de V. BRENNER, Theodore J. |
Spacer | PLM Products, Inc. |
| 1966 | ||||||
U  |
3,268,655 | August 23, 1966 | High Voltage Cable Spacer Insulator Device Aerial spacer to hold three high voltage conductors and keep them spaced apart. |
HAIGH, William Francis MCMAHON, Chester MCMAHON, Eugene Joseph |
Spacer | Fargo Manufacturing Co. |
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