John Peng Chang Yang

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Lakeland, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Bamboo amplifier and holder
- Patent number D932458
- Issue date Oct 5, 2021
- John Peng Chang Yang
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
YANG BAMBOO AMPLIFIER AND HOLDER
- Publication number 20200388264
- Publication date Dec 10, 2020
- John Peng Chang Yang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS