Chan E. Li

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Elmhurst, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Call overflow system and method for overflowing telephone calls bet...
- Patent number 6,246,759
- Issue date Jun 12, 2001
- Rockwell International Corporation
- Daniel L. Greene
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for controlling line conditioner equalizer
- Patent number 5,953,412
- Issue date Sep 14, 1999
- Teltrend, Inc.
- Laurence L. Sheets
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo canceller with relative feedback control
- Patent number 4,845,746
- Issue date Jul 4, 1989
- Rockwell International Corporation
- Chan E. Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE