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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 = 'JEFFERY') AND (first_name = 'Benjamin Alfred') ORDER BY last_name ASC, first_name, date, patent, type

Total of 1 patents found where: Last Name is 'JEFFERY'; First Name is 'Benjamin Alfred';

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T / S Patent Date Description Patentee Category Assigned To
 JEFFERY, Joseph Arthur
JEFFERY, Benjamin Alfred
U 1,171,205 February 8, 1916 Process of Manufacturing Porcelain Articles
Method of forming the shape of a spark plug insulator from a dry blank
JEFFERY, Joseph Arthur
JEFFERY, Benjamin Alfred

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