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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 = 'Robert') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'DUNCAN'; First Name is 'Robert';

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T / S Patent Date Description Patentee Category Assigned To
 1896
U 573,966 December 29, 1896 Insulator Hanger
Bracket for knobs		 DUNCAN, Robert
 Bracket  

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