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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 = 'CHARLTON') AND (first_name = 'Robert W.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'CHARLTON'; First Name is 'Robert W.';

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T / S Patent Date Description Patentee Category Assigned To
 1924
U Specimen known 1,521,433 December 30, 1924 Indicating Insulator
Knob		 CHARLTON, Robert W.
 Knob  

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