|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 = '140') AND (category.subclass = '57') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '140'; Subclass is '57';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||530,361||December 4, 1894||Tool for Lineman's Use
Lineman's tool to remove or apply the tie wire loop on an insulator
MISHLER, Milton B.
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