Werner D. E. Verhelst

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Brussels, BE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for manipulating an input signal to form an ou...
- Patent number 5,611,002
- Issue date Mar 11, 1997
- U.S. Philips Corporation
- Leonardus L. M. Vogten
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for manipulating pitch and/or duration of a si...
- Patent number 5,479,564
- Issue date Dec 26, 1995
- U.S. Philips Corporation
- Leonardus L. M. Vogten
- G10 - MUSICAL INSTRUMENTS ACOUSTICS