Jan Roelof van der Meulen

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Brunssum, NL

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Patents Grantslast 30 patents

Information Patent Grant
Musical shaker
- Patent number 7,470,845
- Issue date Dec 30, 2008
- Pearl Musical Instrument Co.
- Bart Fermie
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Stave construction method of drum manufacture
- Patent number 7,446,250
- Issue date Nov 4, 2008
- Pearl Musical Instrument Co.
- Jan Roelof van der Meulen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Tuning system for percussion instrument
- Patent number 7,402,740
- Issue date Jul 22, 2008
- Pearl Musical Instruments Co.
- Jan Roelof van der Meulen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Set of clave blocks
- Patent number 7,368,648
- Issue date May 6, 2008
- Pearl Musical Instrument Co.
- Jan Roelof van der Meulen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
LUG PROTECTOR FOR A TENSION SYSTEM ON A DRUM
- Publication number 20090293703
- Publication date Dec 3, 2009
- Jan Roelof van der Meulen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
TAMBOURINE WITH SOUND MUTING SYSTEM
- Publication number 20090178538
- Publication date Jul 16, 2009
- Jan Roelof van der Meulen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
STAVE CONSTRUCTION METHOD OF DRUM MANUFACTURE
- Publication number 20080271588
- Publication date Nov 6, 2008
- Jan Roelof van der Meulen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Musical shaker
- Publication number 20080173155
- Publication date Jul 24, 2008
- Bart Fermie
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
TUNING SYSTEM FOR PERCUSSION INSTRUMENT
- Publication number 20080141846
- Publication date Jun 19, 2008
- Jan Roelof van der Meulen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
LEG SYSTEM FOR DRUMS
- Publication number 20080116332
- Publication date May 22, 2008
- Jan Roelof van der Meulen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS