US Patent 10271994 Passive noise canceling device
Patent 10271994 was granted and assigned to Brunel University London on April, 2019 by the United States Patent and Trademark Office.
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Patent abstract
A device for use by a dental patient fits in the patient's ear and has at least one curved resonator tube to reduce the perceived volume of a dental drill. The device can have multiple layers of resonator tubes and a port into which recorded music can be played to calm the patient further.
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Patent Inventor Names
Mark Atherton0
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Official Website
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Current Assignee
Patent Jurisdiction
Patent Number
102719940
Date of Patent
April 30, 2019
0Patent Application Number
150055360
Date Filed
January 25, 2016
0Official Website
Patent Primary Examiner
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US Patent 10271994 Passive noise canceling device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
10271994
Date of patent
April 30, 2019
Patent application number
15005536
Date Filed
January 25, 2016
Patent primary examiner
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