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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 (last_name = 'WARREN') AND (first_name = 'Frederic A.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Last Name is 'WARREN'; First Name is 'Frederic A.';

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T / S Patent Date Description Patentee Category Assigned To
 1912
U 1,031,975 July 9, 1912 Mine insulator
Mine insulator		 WARREN, Frederic A.
 Mine  
 1916
U 1,175,849 March 14, 1916 Insulator Base
miscellaneous circular holder with metal support		 WARREN, Frederic A.
 Miscellaneous  

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