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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 = 'DUNCAN') AND (first_name = 'John D. E.') ORDER BY date ASC, patent, type

Total of 4 patents found where: Last Name is 'DUNCAN'; First Name is 'John D. E.';

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T / S Patent Date Description Patentee Category Assigned To
 1907
U 871,490 November 19, 1907 Insulator Pin Mounting
Mounting for hollow steel pin on a steel tower		 DUNCAN, John D. E.
 Pin  
 1908
U Specimen known 880,203 February 25, 1908 Insulator
Suspension insulator with petticoat		 DUNCAN, John D. E.
 Suspension  
U 895,171 August 4, 1908 Cable Hanger
Cable hanger for two part Duncan suspension		 DUNCAN, John D. E.
 Suspension  
 1915
U 1,128,424 February 16, 1915 Insulator
Suspension multipart insulator fitted with arcing horns		 DUNCAN, John D. E.
 Suspension  

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