Lothar Biering

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Frankfurt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of multi-layered brushes and brushes obt...
- Patent number 5,701,046
- Issue date Dec 23, 1997
- Le Carbone-Lorraine
- Eric Kammerer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sliding contact member for high currrent densities
- Patent number 5,270,504
- Issue date Dec 14, 1993
- Deutsche Carbone Aktiengesellschaft
- Erhard Grohs
- H01 - BASIC ELECTRIC ELEMENTS