Stefan Krestel

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Patents Grantslast 30 patents

Information Patent Grant
Girder-like structural element composed of individual parts connect...
- Patent number 8,201,384
- Issue date Jun 19, 2012
- Stefan Krestel
- E04 - BUILDING
Information Patent Grant
Support-type component that is composed of individual sections
- Patent number 7,921,621
- Issue date Apr 12, 2011
- Stefan Krestel
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
GIRDER-LIKE STRUCTURAL ELEMENT COMPOSED OF INDIVIDUAL PARTS CONNECT...
- Publication number 20090013628
- Publication date Jan 15, 2009
- Stefan Krestel
- E04 - BUILDING
Information Patent Application
Support-Type Component That Is Composed Of Individual Sections And...
- Publication number 20080148657
- Publication date Jun 26, 2008
- Stefan Krestel
- E04 - BUILDING