|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 = '403') AND (category.subclass = '341') ORDER BY specimen ASC, date, patent, type|
Total of 1 patents found where: Class is '403'; Subclass is '341';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||373,407||November 15, 1887||Interlocking Coupling for Lightning Rods
Coupling for lightning rods the interlocks with slots and projections on each end of the rod sections
|KRESS, George R.
||Lightning Rod Coupling|
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