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

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

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T / S Patent Date Description Patentee Category Assigned To
 John E. Robertson
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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