Bernd Donnerhak

Follow

Person

Maintal, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Test cell for identifying deactivated surface areas of an electrode
- Patent number 4,963,244
- Issue date Oct 16, 1990
- Heraeus Elektroden GmbH
- Stephan Kotowski
- G01 - MEASURING TESTING
Information Patent Grant
Inspection of electrodes having activated layers
- Patent number 4,919,766
- Issue date Apr 24, 1990
- Heraeus Elektroden GmbH
- Stephan Kotowski
- G01 - MEASURING TESTING