Larry W. Kirsch

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Bolingbrook, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for monitoring a network for customer signalin...
- Patent number 5,327,489
- Issue date Jul 5, 1994
- AT&T Bell Laboratories
- Thomas W. Anderson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Virtual private line service
- Patent number 4,982,421
- Issue date Jan 1, 1991
- AT&T Bell Laboratories
- Larry W. Kirsch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE