Sigurd Haeusler

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Uhldingen-Muehlhofen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for noise reduction in multi-engine propeller...
- Patent number 6,896,219
- Issue date May 24, 2005
- Dornier GmbH
- Ingo Udo Borchers
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Process and apparatus for noise reduction in multi-engine propeller...
- Publication number 20040018086
- Publication date Jan 29, 2004
- Ingo Udo Borchers
- G10 - MUSICAL INSTRUMENTS ACOUSTICS