Jean-Pierre Beaufays

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Jemeppe sur Sambre, BE

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Patents Grantslast 30 patents

Information Patent Grant
Architectural electrochromic pane
- Patent number 5,889,608
- Issue date Mar 30, 1999
- Saint-Gobain Recherche
- Bernard Buffat
- B32 - LAYERED PRODUCTS
Information Patent Grant
Architectural electrochromic pane
- Patent number 5,657,149
- Issue date Aug 12, 1997
- Saint-Gobain Recherche
- Bernard Buffat
- B32 - LAYERED PRODUCTS