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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 = 'MITCHELL') AND (first_name = 'Melvin G.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Last Name is 'MITCHELL'; First Name is 'Melvin G.';

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T / S Patent Date Description Patentee Category Assigned To
 1912
U 1,017,308 February 13, 1912 Lightning Conductor
Lightning rod tip with clip fastener to attach to conductor		 MITCHELL, Melvin G.
 Lightning Rod Point National Cable & Mfg. Co.
 1915
U 1,129,358 February 23, 1915 Lightning Rod Conductor
Lightning rod attached to conductor with flat sheet metal end		 MITCHELL, Melvin G.
 Lightning Rod National-Standard Co.

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