Thanh Duc Truong

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Walnut, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatuses for operating a variable impedance acoustic...
- Patent number 6,494,565
- Issue date Dec 17, 2002
- Xerox Corporation
- Richard N. Ellson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS