Katja Hirschberger

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Mutterstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Muffler with variable acoustic properties
- Patent number 7,182,171
- Issue date Feb 27, 2007
- Heinrich Gillet GmbH
- Rico Weinert
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Muffler with variable acoustic properties
- Publication number 20040216950
- Publication date Nov 4, 2004
- Heinrich Gillet GmbH
- Rico Weinert
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES