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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '43') AND (category.subclass = '44.83') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '43'; Subclass is '44.83';

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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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