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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 = 'OPPELT') AND (first_name = 'William') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'OPPELT'; First Name is 'William';

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T / S Patent Date Description Patentee Category Assigned To
 1916
U 1,167,208 January 4, 1916 Insulator
Self-tying screw top		 OPPELT, William
 Self-tying Screw Top 1/3 to Harry Gamber

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