Invention Grant
- Patent Title: Intra-aural audio device having multiple layers
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Application No.: US16213237Application Date: 2018-12-07
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Publication No.: US10785552B2Publication Date: 2020-09-22
- Inventor: Mark Estabrook , Richard Urella
- Applicant: David Clark Company Incorporated
- Applicant Address: US MA Worcester
- Assignee: David Clark Company Incorporated
- Current Assignee: David Clark Company Incorporated
- Current Assignee Address: US MA Worcester
- Agency: Burns & Levinson LLP
- Agent Steven M. Mills
- Main IPC: H04R25/00
- IPC: H04R25/00 ; H04R1/10

Abstract:
An intra-aural audio device includes an outer layer shaped to define separate ear canal, concha bowl, and concha cymba portions. An inner layer is disposed within the outer layer, the inner layer having a durometer different than that of the outer layer.
Public/Granted literature
- US20190182577A1 INTRA-AURAL AUDIO DEVICE HAVING MULTIPLE LAYERS Public/Granted day:2019-06-13
Information query