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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 = 'ROBERTS') AND (first_name = 'Willis') ORDER BY type DESC, date, patent

Total of 1 patents found where: Last Name is 'ROBERTS'; First Name is 'Willis';

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T / S Patent Date Description Patentee Category Assigned To
 1897
U 591,104 October 5, 1897 Insulator for Electric Wires
Cleat - self-tying
ROBERTS, Willis
Cleat  

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