Ihor J. B. Wynarczuk

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Carol Stream, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital-cross-connect system single element restoration technique
- Patent number 6,707,907
- Issue date Mar 16, 2004
- AT&T Corp.
- Richard L. Guzman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital cross-connect system restoration technique
- Patent number 6,047,385
- Issue date Apr 4, 2000
- AT&T Corp.
- Richard L. Guzman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE