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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 = 'PORTER') AND (first_name = 'John W.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'PORTER'; First Name is 'John W.';

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T / S Patent Date Description Patentee Category Assigned To
 1916
U 1,199,735 September 26, 1916 Insulator Pin
Pin, metal to prevent turning of threaded head (improvement of 1,094,852)		 PORTER, John W.
 Pin Electric Service Supplies Co.

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