US Patent 7697706 Low sound attenuating hearing protection device
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Patent abstract
A hearing protection device and a method of manufacturing thereof is provided. The device includes a sound attenuating portion for being disposed within an ear canal of a user to obstruct the passage of sound and a channel formed through the sound attenuating portion for allowing sound to pass through the sound attenuating portion.
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US Patent 07697706 Low sound attenuating hearing protection device US Patent 7697706 Low sound attenuating hearing protection device
Infobox
Patent Number
0769770600
Patent Number
769770600
Edits on 26 Apr, 2023
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Patent Jurisdiction
Patent Number
076977060
Date of Patent
April 13, 2010
0Patent Application Number
107002130
Date Filed
November 3, 2003
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
076977060
Date of Patent
April 13, 2010
0Patent Application Number
107002130
Date Filed
November 3, 2003
0Official Website
Patent Primary Examiner
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US Patent 07697706 Low sound attenuating hearing protection device
Infobox
Is a
Patent jurisdiction
Patent number
07697706
Date of patent
April 13, 2010
Patent application number
10700213
Date Filed
November 3, 2003
Patent primary examiner
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