Po Wo Koo

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Electronic guitar with its keys arranged in complex array
- Patent number 6,444,891
- Issue date Sep 3, 2002
- Po Wo Koo
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Electronic guitar with its keys arranged in complex array
- Publication number 20020053276
- Publication date May 9, 2002
- Po Wo Koo
- G10 - MUSICAL INSTRUMENTS ACOUSTICS