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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '222') AND (category.subclass = '562') ORDER BY last_name ASC, first_name, date, patent, type

Total of 1 patents found where: Class is '222'; Subclass is '562';

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T / S Patent Date Description Patentee Category Assigned To
 BARTELS, William H.
U 193,212 July 17, 1877 Improvement in Oil Cans
Glass lined oil can
BARTELS, William H.
HU 1/2 to Waldo R. Eaton

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