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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 = '285') AND (category.subclass = '424') ORDER BY date ASC, patent, type

Total of 4 patents found where: Class is '285'; Subclass is '424';

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T / S Patent Date Description Patentee Category Assigned To
 1873
U 139,841 June 10, 1873 Improvement in Coupling Tubular Lightning Rods
Means of coupling tubular lightning rods
WESTON, James H.
Lightning Rod  
U 145,641 December 16, 1873 Improvement in Couplings for Tubular Lightning Rods
Means of coupling tubular lightning rods
FRITSCH, Joseph W.
Lightning Rod  
 1876
U 173,905 February 22, 1876 Improvement in Lightning Rods
Lightning rod made of sealed tubular metal with indentions running around the outside as the threads of a screw adding strength and allowing easy joining of sections
COE, Henry L.
Lightning Rod The Manhattan Brass Co.
 1882
U 266,075 October 17, 1882 Lightning Rod Joint or Coupling
Internal coupling for hollow lightning rods that can be pinned to the rod
BALL, Charles E.
Lightning Rod Coupling  

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