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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 = 'DUFFY') AND (first_name = 'John F.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'DUFFY'; First Name is 'John F.';

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T / S Patent Date Description Patentee Category Assigned To
 1901
U 689,171 December 17, 1901 Insulator
Insulators (2) with one pinhole		 DUFFY, John F.
HERSHEY, Henry B.
 Insulator  

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