| 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 = '40TD') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '174'; Subclass is '40TD';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1891 | ||||||
| U | 461,109 | October 13, 1891 | Device for Stretching Heavy Wires on Poles Mechanical device mounted on the crossarm with a roller to aid in stretching wires before they are attached to insulators. |
BALL, Henry Price |
Wire Stretcher | Edison General Electric Co. |
| 1920 | ||||||
| U | 1,362,221 | December 14, 1920 | Compensating Wire Support Metal bracket composed of two curved angle supports for three insulators to yield and absorb the strain and weight of telephone and telegraph lines |
BLACKMORE, Charles C. |
Bracket | |
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