Concha-fitting custom earplug with flexible skin and filler material

Patent No. 8,897,458

Issued: November 25, 2014
Filed: March 26, 2012
Term Extension: 346 days

Inventors: Parkins; John W. (Ithaca, NY), DeWilde; Mark (Ithaca, NY)
Assignee: Red Tail Hawk Corporation (Ithaca, NY)

An earplug which conforms to the concha of the ear and extends into the ear canal. The construction consists of a flexible outer skin with at least one filler material, preferably two or more materials of varying hardness, to form an essentially solid structure except for sound channels, or electronics packages, or other devices, parts and cavities that may be located within the flexible skin. The flexible skin can be fabricated using a rapid-prototyping printing process.

Reference to Related Applications

This application claims one or more inventions which were disclosed in Provisional Application No. 61/467,711, filed Mar. 25, 2011, entitled "Concha-Fitting Custom Earplug with Flexible Skin and Filler Material". The benefit under 35 USC .sctn.119(e) of the United States provisional application is hereby claimed, and the aforementioned application is hereby incorporated herein by reference.

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