Chang-Yu Pan

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Kaohsiung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Bell device with dual tones for transport vehicles
- Patent number 9,454,950
- Issue date Sep 27, 2016
- Chang-Yu Pan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Bell Device with Dual Tones for Transport Vehicles
- Publication number 20160163301
- Publication date Jun 9, 2016
- Chang-Yu Pan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS