| 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 = '248') AND (category.subclass = '74.1') ORDER BY date ASC, patent, type |
Total of 5 patents found where: Class is '248'; Subclass is '74.1';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1885 | ||||||
| U | 314,385 | March 24, 1885 | Holder for Lightning Rods Split holder for lightning rods |
LAWSHE, Spencer R. |
Lightning Rod | Theodore H. Patee |
| 1905 | ||||||
| U | 799,433 | September 12, 1905 | Support Fastener for Lightning Conductors Metal clips fitted in molded concrete or stone in order to secure lightning rod conductor to wall |
BAJOHR, Carl |
Lightning Rod Clip | |
| 1912 | ||||||
| U | 1,048,587 | December 31, 1912 | Wire Holder for Insulators Tie wire clip |
REIFFER, Anthony J. MAYS, David P. |
Tie Wire | |
| 1925 | ||||||
| U | 1,527,346 | February 24, 1925 | Flexible Insulator Wireholder with lag screw and metal bracket |
BRADY, William P. |
Wireholder | Brady Electric & Mfg. Co. |
| U | 1,564,918 | December 8, 1925 | Insulator Clamp Clamp fitting in tie-wire groove to hold conductor |
WILLIAMS, Joseph Thomas |
Clamp | |
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