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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 = 'SMITH') AND (first_name = 'Leonard O.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'SMITH'; First Name is 'Leonard O.';

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T / S Patent Date Description Patentee Category Assigned To
 1885
U 328,728 October 20, 1885 Insulator
Slotted tubular insulator for crossovers		 SMITH, Leonard O.
 Slotted  

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