Johannes Zittmayr

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Patents Grantslast 30 patents

Information Patent Grant
Building complex
- Patent number 11,162,270
- Issue date Nov 2, 2021
- Johannes Zittmayr
- E04 - BUILDING
Information Patent Grant
Spiral ring-type construction with a single spiral central stairwell
- Patent number 6,279,277
- Issue date Aug 28, 2001
- Johannes Zittmayr
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
BUILDING COMPLEX
- Publication number 20210254356
- Publication date Aug 19, 2021
- Johannes Zittmayr
- E04 - BUILDING