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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 = '174') AND (category.subclass = '130') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '174'; Subclass is '130';

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T / S Patent Date Description Patentee Category Assigned To
U 30,560 November 6, 1860 Improvement in Lightning Rods
Lightning rod made up of continuous strips or tubes of metal
Lightning Rod  
U 173,963 February 22, 1876 Improvement in Lightning Rods
Lightning rod with solid supporting rod fitted inside and screwed into the rod coupling on each end
PRICE, David A.
Lightning Rod Reyburn, Hunter & Co.
R 7,063 April 18, 1876 Improvement in Lightning Conductors, Rods, or Cables
Lightning rod conductor made of wires twisted together and wrapped and twisted around a metal tube (see 120,457)
PRESTON, Othniel
Lightning Rod  

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