Device for controlling the flow through a ventilation channel in an earmold
Author: | Patricia Kunz, Steffen Kreikemeier |
---|---|
URL: | https://depatisnet.dpma.de/DepatisNet/depatisnet?action=bibdat&docid=EP000003972289A1 |
Document Type: | Patent |
Language: | English |
Date of Publication (online): | 2022/03/23 |
Release Date: | 2025/01/21 |
Faculty: | Optik und Mechatronik |
Open Access: | Closed Access |
Number of the Patent / Patent Application: | EP000003972289A1 |