Bernard Ducret

Follow

Person

Schwindratzheim, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Thin slab of plastic material adapted to cover the terraces of buil...
- Patent number 5,170,601
- Issue date Dec 15, 1992
- Soprema, S.A.
- Pierre Geisen
- E04 - BUILDING
Information Patent Grant
Process for producing airtight sealing of buildings
- Patent number 4,680,913
- Issue date Jul 21, 1987
- Soprema S.A.
- Pierre Geisen
- E04 - BUILDING