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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 = 'VIGNERON') AND (first_name = 'Charles') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'VIGNERON'; First Name is 'Charles';

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T / S Patent Date Description Patentee Category Assigned To
 1874
U 150,112 April 21, 1874 Improvement in Piano Forte Insulators
Glass cup to insulate a piano leg from sending musical vibrations to the floor		 VIGNERON, Charles
 Piano  

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