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

Total of 1 patents found where: Category is 'Dead-end';

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1919
U	1,290,147	January 7, 1919	Dead End for Electric and Telephone Wires Dead-ending method using two strain insulators	FAIRCLOUGH, Harry	Dead-end

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