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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 = 'SPEAKMAN') AND (first_name = 'Charles W.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'SPEAKMAN'; First Name is 'Charles W.';

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T / S Patent Date Description Patentee Category Assigned To
 1910
U 971,322 September 27, 1910 Mine Insulator
Mine hanger insulator (see GB191027804)		 SPEAKMAN, Charles W.
 Mine  

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