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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 = '65') AND (category.subclass = '117') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '65'; Subclass is '117';

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T / S Patent Date Description Patentee Category Assigned To
 1875
U 170,339 November 23, 1875 Improvement in Processes of Annealing Glass
Process of annealing glass		 BROOKFIELD, James M.
 Glass  

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