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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
U 314,385 March 24, 1885 Holder for Lightning Rods
Split holder for lightning rods
LAWSHE, Spencer R.
Lightning Rod Theodore H. Patee
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
Lightning Rod Clip  
U 1,048,587 December 31, 1912 Wire Holder for Insulators
Tie wire clip
REIFFER, Anthony J.
MAYS, David P.
Tie Wire  
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

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