Van Nguyen

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Wheaton, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Floating digital loop carrier telephone interface
- Patent number 5,566,239
- Issue date Oct 15, 1996
- Teltrend, Inc.
- Frank X. Garcia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Caller identification transmit path limiter
- Patent number 5,315,650
- Issue date May 24, 1994
- Teltrend Inc.
- Earl L. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE