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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Lightning Rod Ground') ORDER BY type ASC, date, patent

Total of 2 patents found where: Category is 'Lightning Rod Ground';

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T / S Patent Date Description Patentee Category Assigned To
 1869
U 97,496 December 7, 1869 Improvement in Lightning Rods and Conductors
Grounding tip for lightning rod that retains water to improve conduction to ground
GARLICK, Theodotus
Lightning Rod Ground  
 1887
U 362,062 May 3, 1887 Multiple Subsidiary Ground Terminal for Lightning Rods
Lightning rod ground with multiple ground wire to spread current into ground
COLE, James W.
Lightning Rod Ground  

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