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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 = '249') AND (category.subclass = '74') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '249'; Subclass is '74';

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T / S Patent Date Description Patentee Category Assigned To
 1900
U 648,341 April 24, 1900 Die for Pottery Ware
Die for pressing out door knobs		 BOCH, John W.
 Die  

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