Jack R. Penrod

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Bolingbrook, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for administering advanced number portability numbers
- Patent number 6,359,980
- Issue date Mar 19, 2002
- Lucent Technologies Inc.
- Robert Petrelli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for prioritizing a telephone call according to...
- Patent number 5,500,889
- Issue date Mar 19, 1996
- AT&T Corp.
- Mark C. Baker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE