|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 = '36') ORDER BY date ASC, patent, type|
Total of 2 patents found where: Class is '36';
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||15,491||August 5, 1856||Improvement in Lightning Rods
Lightning rod made of tubular metal with fins
|U||1,538,946||May 26, 1925||Lightning Rod Connector
Lightning rod with Y-shaped connector pressed out of sheet metal, folded in half around the conductor, and halves secured together by bending over the metal tabs
|MOORE, Ira M.
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