Hans-Beat Fehlmann

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Walchwil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Composite panel materials and method of manufacture
- Patent number 4,181,556
- Issue date Jan 1, 1980
- Loewe Anstalt
- Hans-Beat Fehlmann
- E04 - BUILDING
Information Patent Grant
Composite panel material with metal skeleton
- Patent number 4,139,670
- Issue date Feb 13, 1979
- Loewe Anstalt
- Hans-Beat Fehlmann
- E04 - BUILDING