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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Shield') ORDER BY date ASC, patent, type

Total of 1 patents found where: Category is 'Shield';

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T / S Patent Date Description Patentee Category Assigned To
 1911
U 992,462 May 16, 1911 Insulator
Shield acting as a roof over the insulator		 WEICKER, William
 Shield Porzellanfabrik Kahla, Filiale Hermsdorf Klosterlausnitz

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