Hans-Gunther Siegfried

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Lahr, DE

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Patents Grantslast 30 patents

Information Patent Grant
Light diffuser with macroscopic chaotically and quasichaotically fo...
- Patent number 6,078,426
- Issue date Jun 20, 2000
- Altenburger Electronics GmbH
- Hans-Gunther Siegfried
- B44 - DECORATIVE ARTS
Information Patent Grant
Method of producing a membrane and a membrane for microfiltration,...
- Patent number 5,102,539
- Issue date Apr 7, 1992
- Altenburger Electronic GmbH
- Hans-Gunther Siegfried
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL