|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 = '562') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '222'; Subclass is '562';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|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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