|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Radio Antenna') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Category is 'Radio Antenna';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||887,336||May 12, 1908||Electric Insulator
Radio antenna strain insulator made weatherproof with a metal cover.
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