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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 = 'WINGARD') AND (first_name = 'Charles L.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'WINGARD'; First Name is 'Charles L.';

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T / S Patent Date Description Patentee Category Assigned To
 1898
U 607,315 July 12, 1898 Insulator
Wall tube of two split pieces [Scientific American 8-6-1898]		 WINGARD, Charles L.
 Wall Tube 1/2 to Luella Wingard

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