| 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 = '736.2') ORDER BY date ASC, patent, type |
Total of 3 patents found where: Class is '52'; Subclass is '736.2';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1907 | ||||||
| U | 857,101 | June 18, 1907 | Cross Arm for Towers Cross arm with pins for insulators made of hollow cylindrical steel similar to pipe |
NOYES, La Verne W. |
Pin | |
| 1912 | ||||||
| U | 1,029,207 | June 11, 1912 | Insulator Support Crossarm composed of reinforced concrete |
MEGAHAN, Oliver P. |
Crossarm | |
| 1916 | ||||||
| U | 1,194,690 | August 15, 1916 | Telephone and Telegraph Pole Construction Bracket and pin supports made of metal and attached to crossarm whereby the pins slide on the bracket for adjustment of position |
ADAMS, Harry E. |
Pin/bracket | |
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