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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 = '198') AND (category.subclass = '430') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '198'; Subclass is '430';

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T / S Patent Date Description Patentee Category Assigned To
 1924
U 1,501,602 July 15, 1924 Leer Feeder
Automatic leer feeder		 HOLMES, Minot K.
 Manufacturing Hemingray Glass Co.

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