TREA

Maik Jenfeldt

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  • Hamburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Damper adjustment device
    • Patent number 6,632,988
    • Issue date Oct 14, 2003
    • Steinway Musical Instruments, Inc.
    • M. Scott Jones
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS