Peter Wisniewski

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Eichenzell, DE

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Patents Grantslast 30 patents

Information Patent Grant
Soundproofing element and soundproofing wall
- Patent number 6,609,591
- Issue date Aug 26, 2003
- Calenberg Ingenieure planmassig elastisch lagern GmbH
- Peter Wisniewski
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Soundproofing element and soundproofing wall
- Publication number 20020144861
- Publication date Oct 10, 2002
- Peter Wisniewski
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES