Raymond C.C. Ho

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Tsuen Wan, HK

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Patents Grantslast 30 patents

Information Patent Grant
Electronic compass apparatus and method
- Patent number 6,826,843
- Issue date Dec 7, 2004
- RadioShack, Corp.
- Vincent M. T. Lam
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Electronic compass apparatus and method
- Publication number 20040098873
- Publication date May 27, 2004
- Vincent M.T. Lam
- G01 - MEASURING TESTING