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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (category = 'Lamp') ORDER BY last_name ASC, first_name, date, patent, type

Total of 2 patents found where: Category is 'Lamp';

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T / S Patent Date Description Patentee Category Assigned To
 GILL, James C.
U 167,608 September 14, 1875 Improvement in the Manufacture of Glassware
Lamp foot made by pushing up bottom		 GILL, James C.
 Lamp John Adams & Co.
 HEMINGRAY, Robert
D 3,436 March 30, 1869 Design for a Lamp Chimney
Lamp chimney		 HEMINGRAY, Robert
 Lamp  

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