Joseph Sylvester Chang

Follow

Person

College Station, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Communications apparatus
- Patent number 9,859,988
- Issue date Jan 2, 2018
- Advanced Electroacoustics Private Limited
- Joseph Sylvester Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Acoustical measuring/estimation device
- Patent number 8,737,630
- Issue date May 27, 2014
- Advanced Electroacoustics Private Limited
- Joseph Sylvester Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATIONS APPARATUS
- Publication number 20140018016
- Publication date Jan 16, 2014
- ADVANCED ELECTROACOUSTICS PRIVATE LIMITED
- Joseph Sylvester Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ACOUSTICAL MEASURING/ESTIMATION DEVICE
- Publication number 20110103602
- Publication date May 5, 2011
- ADVANCED ELECTROACOUSTICS PRIVATE LIMITED
- Joseph Sylvester Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE