Thomas L. Engdahl

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Escondido, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Performance monitoring and test system for a telephone network
- Patent number 5,956,324
- Issue date Sep 21, 1999
- Applied Digital Access, Inc.
- Thomas L. Engdahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Performance monitoring and test system for a telephone network
- Patent number 5,691,976
- Issue date Nov 25, 1997
- Applied Digital Access
- Thomas L. Engdahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for accessing embedded channels
- Patent number 5,623,480
- Issue date Apr 22, 1997
- Applied Digital Access, Inc.
- Paul R. Hartmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protect path switching in a performance monitoring and test system
- Patent number 5,602,828
- Issue date Feb 11, 1997
- Applied Digital Access
- Thomas L. Engdahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relative synchronization system for a telephone network
- Patent number 5,500,853
- Issue date Mar 19, 1996
- Applied Digital Access, Inc.
- Thomas L. Engdahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE