United States Patent and Trademark Office, Patent 7,164,775:
In The Ear Hearing Aid Utilizing Annular Ring Acoustic Seals

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Patent Assignment 32543/479

Assignors

Morabito, Andrew F

Assignees

Tallgrass Technology Partners, LLC

Patent Assignment 32766/459

Assignors

Meyer, John A

Tallgrass Technology Partners, LLC

Assignees

Hearing Specialties, LLC

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