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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 = 'MAST') AND (first_name = 'Charles O.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'MAST'; First Name is 'Charles O.';

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T / S Patent Date Description Patentee Category Assigned To
 1927
U 1,625,266 April 19, 1927 Rod Coupling
Lightning rod made solid with parallel fins and connected by coupling with matching male and female threads crimped over the ends of the rod sections		 MAST, Charles O.
 Lightning Rod Coupling Mast Lightning Rod Co.

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