Gerhard Heidecke

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Bensheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Web-type floor covering and method for its manufacture
- Patent number 6,709,732
- Issue date Mar 23, 2004
- Firma Carl Freudenberg
- Gerhard Graab
- B44 - DECORATIVE ARTS
Information Patent Grant
Biodegradable sheet for culturing sewage denitrifiers
- Patent number 5,316,832
- Issue date May 31, 1994
- Freudenberg; Carl
- Robert Groten
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Web-type floor covering and method for its manufacture
- Publication number 20040161589
- Publication date Aug 19, 2004
- Gerhard Graab
- B44 - DECORATIVE ARTS