Ehrenfried Erbe

Follow

Person

Effeltrich, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Hearing aid with a control element
- Patent number 7,507,920
- Issue date Mar 24, 2009
- Siemens Audiologische Technik GmbH
- Ehrenfried Erbe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid comprising a printed circuit film
- Patent number 4,922,540
- Issue date May 1, 1990
- Siemens Aktiengesellschaft
- Ehrenfried Erbe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid comprising a printed circuit board and hearing coil
- Patent number 4,912,769
- Issue date Mar 27, 1990
- Siemens Aktiengesellschaft
- Ehrenfried Erbe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid comprising printed circuit board
- Patent number 4,890,329
- Issue date Dec 26, 1989
- Siemens Aktiengesellschaft
- Ehrenfried Erbe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Hearing aid with a control element
- Publication number 20060185969
- Publication date Aug 24, 2006
- Ehrenfried Erbe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE