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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 = '222') AND (category.subclass = '556') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '222'; Subclass is '556';

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T / S Patent Date Description Patentee Category Assigned To
 1871
U Specimen known 120,748 November 7, 1871 Improvement in Tops for Molasses Pitchers
Syrup jug top
IRWIN, George M.
HU  

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