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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 = 'KERR') AND (first_name = 'Benjamin W.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'KERR'; First Name is 'Benjamin W.';

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T / S Patent Date Description Patentee Category Assigned To
 1926
U 1,590,381 June 29, 1926 Insulator Cap
Iron insulator cap cemented to top of insulator to support electrical equipment		 KERR, Benjamin W.
 Cap Railway and Industrial Engineering Co.

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