Holger Schwarzfeller

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Dusseldorf-Eller, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cover for a post made out of box section for enclosures especially...
- Patent number 4,948,099
- Issue date Aug 14, 1990
- Hoesch Aktiengesellschaft
- Werner Brand
- E04 - BUILDING
Information Patent Grant
Post for enclosures
- Patent number 4,910,933
- Issue date Mar 27, 1990
- Hoesch Aktiengesellschaft
- Holger Schwarzfeller
- E04 - BUILDING