Gerhard Laugmann

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Naila, DE

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker with a front-mounted sealing element and method of manu...
- Patent number 6,661,902
- Issue date Dec 9, 2003
- Harman Audio Electronic Systems GmbH
- Gerhard Ziegler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE