Paul de Vries

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Keyboard musical instrument
- Patent number 4,433,602
- Issue date Feb 28, 1984
- Paul de Vries
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Portable securing assembly for an electric musical instrument
- Patent number 4,378,881
- Issue date Apr 5, 1983
- Paul de Vries
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Electric keyboard musical instrument
- Patent number 4,314,494
- Issue date Feb 9, 1982
- Paul de Vries
- G10 - MUSICAL INSTRUMENTS ACOUSTICS