Stefan Fritz

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Stuttgart, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device for handling a brush head for cleaning the surface of large...
- Patent number 5,794,298
- Issue date Aug 18, 1998
- Putzmeister Aktiengesellschaft
- Dietmar Fugel
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Arrangement for surface treatment, especially the cleaning of the s...
- Patent number 5,720,069
- Issue date Feb 24, 1998
- Putzmeister-Werk Maschinenfabrik GmbH
- Martin Wanner
- B64 - AIRCRAFT AVIATION COSMONAUTICS