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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Chambers National Lightning Protection Co.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Assigned To is 'Chambers National Lightning Protection Co.';

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T / S Patent Date Description Patentee Category Assigned To
 1880
U Specimen known 224,504 February 10, 1880 Insulated Cresting
Lightning rod insulators (CD 317) used in roof cresting system		 CHAMBERS, Josephus C.
 Lightning Rod Insulator Chambers National Lightning Protection Co.
U 234,173 November 9, 1880 Mode of Protecting Oil Tanks from Lightning or Fire
Method of protecting oil tanks with lightning rods using CD 317 (see 194,220 and 224,504)		 CHAMBERS, Josephus C.
 Lightning Rod Chambers National Lightning Protection Co.

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