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

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

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1887
U	360,354	March 29, 1887	Insulator Acoustic insulator to reduce vibration of telephone wires in acoustic or mechanical telephones	LOCKE, Willie F.	Acoustic	1/2 to John E. Robertson

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