Christian FREI

City:

Staefa

Country:

Switzerland

Published Applications:

Last publication date:

2022-11-24

Top Assignees for applications by Christian FREI

The entities that hold a legal rights for patent applications filed by inventor FREI Christian:

Christian FREI from Staefa, CH has applied for patents for these inventions. The list has both pending applications and granted patents:

Hearing assist systems and methods for detecting a physiological attribute of a user

Hearing device including a battery and an acoustic valve

Hearing device with active vent comprising solenoid

Hearing systems, sensor systems, and methods for detecting a physiological attribute of a user

Hearing systems and methods for operating a hearing system

Method for charging a battery of a hearing aid and a hearing aid with a battery charging unit

Hearing device for being worn at least partly within an ear canal and a method for manufacturing such a hearing device

InventorID:

2266707 ⎘