Sten Engwall

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Marsta, SE

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Patents Grantslast 30 patents

Information Patent Grant
House building module and method related thereto
- Patent number 6,185,879
- Issue date Feb 13, 2001
- Sten Engwall
- E04 - BUILDING
Information Patent Grant
Foundation for a building structure
- Patent number 5,544,453
- Issue date Aug 13, 1996
- System Teeg AB
- Sten Engwall
- E04 - BUILDING