Matthew F. Kern

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Laurel, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for determining when a telephone handset is of...
- Patent number 4,958,371
- Issue date Sep 18, 1990
- Control Data Corporation
- Joseph A. Damoci
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed monitoring system
- Patent number 4,912,552
- Issue date Mar 27, 1990
- Control Data Corporation
- Arthur W. Allison
- H04 - ELECTRIC COMMUNICATION TECHNIQUE