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Pressure regulating systems for expandable insertion devices

Invented by: John Patrick Keady
Boca Raton, FL Applicant: Name City State Country Type Keady

Originally Assigned to: Personics Holdings, Inc
Boca Raton, FL
[Now assigned to . . .]

Issued:2014-01-21
Filed:2009-07-06
Application No:12497894
Examined by:Bianco; Patricia

Earpieces and expandable insertion devices are provided. An earpiece includes an ambient sound microphone (ASM); an ear canal microphone (ECM); an ear canal receiver (ECR); and an inflatable sealing section. The sealing section includes at least one pressure valve. The at least one pressure valve opens when the pressure in the sealing section is greater than an ambient pressure.

[pdf] U.S. Pat. No. 8,631,801

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