|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 = '439') AND (category.subclass = '782') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '439'; Subclass is '782';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||830,572||September 11, 1906||Clamp for Electrical Conductors
Clamp to connect the ends of conductors (also Canadian patent 104766, April 16, 1907)
|CUTTER, Scott C.
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