Donald E. Koch

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Enhancement for a multiplexing telecommunications interface
- Patent number 5,682,385
- Issue date Oct 28, 1997
- Teltrend Inc.
- Frank X. Garcia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Test access system for a digital loop carrier system
- Patent number 4,949,355
- Issue date Aug 14, 1990
- Rockwell International Corporation
- Harry J. Dyke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Channel redundancy in a digital loop carrier system
- Patent number 4,878,048
- Issue date Oct 31, 1989
- Rockwell International Corporation
- Jeffrey L. Gottesman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE