Horst A. Ermer

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Biberist, CH

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Patents Grantslast 30 patents

Information Patent Grant
High rise building with a stairwell and a intake air shaft
- Patent number 9,187,918
- Issue date Nov 17, 2015
- SWISS RALTEC GMBH
- Horst A. Ermer
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
High Rise Building With A Stairwell And A Intake Air Shaft
- Publication number 20110179732
- Publication date Jul 28, 2011
- Horst A. Ermer
- B08 - CLEANING