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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 = 'HUMPHREY') AND (first_name = 'Clarence A.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'HUMPHREY'; First Name is 'Clarence A.';

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T / S Patent Date Description Patentee Category Assigned To
 1905
U 802,397 October 24, 1905 Insulator for Electric Wires
Self-tying screw top		 HUMPHREY, Clarence A.
 Self-tying Screw Top  

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